Date: 20250120
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Docket: T-2728-23
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Citation: 2025 FC 107
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Ottawa, Ontario, January 20, 2025
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PRESENT: Mr. Justice O'Reilly |
BETWEEN:
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BAYER INC.
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Applicant
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and
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AMGEN CANADA INC. and THE MINISTER OF HEALTH
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Respondents
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JUDGMENT AND REASONS
I. Overview
[1] This decision follows the release of my earlier judgment in Serono v Canada (Health), 2024 FC 1848 [Serono], which raised substantially similar issues.
[2] As I pointed out in Serono, a company that holds a drug patent can protect the patent from infringement by other companies under rules set out in patented medicine regulations: Patented Medicines (Notice of Compliance) Regulations, SOR/93-133 [Regulations] (provisions cited are set out in the Annex). That protection begins when the Minister of Health lists the patent on the patent register. The listing date is critical.
[3] The applicant, Bayer Inc., is a drug company who argues that the Minister unreasonably delayed listing their patent on the register, resulting in a loss of their patent rights. The Minister’s approach to listing patents, says Bayer, fails to respect statutory, regulatory, and treaty obligations, as well as the Minister’s own policies. Bayer asks me to quash the Minister’s decision and declare the patent listed as of the earlier date on which the Minister should have added it to the register.
[4] The respondents, the Minister of Health and Amgen Canada Inc, argue that the Minister’s approach was reasonable and legally sound. The respondents ask me to dismiss Bayer’s application for judicial review of the Minister’s decision.
[5] While Bayer argues that the proper standard of review of the Minister’s interpretation of the Regulations is correctness, I find that the applicable standard is unreasonableness. Accordingly, the sole issue is whether the Minister’s decision was unreasonable.
[6] I find that the Minister’s decision on the listing date for Bayer’s patent was not unreasonable in light of the governing Regulations and case law. The Minister adds patents to the register when they are eligible for listing – not sooner, not later. Accordingly, I must dismiss Bayer’s application for judicial review.
II. Background
A. The Legal Framework
[7] The Regulations refer to drug patent holders as “first persons”
and generic drug companies as “second persons.”
[8] The Regulations impose on the Minister an obligation to maintain a register of patents for approved drugs. Before listing a patent, the Minister must decide whether the patent meets the requirements of the Regulations, namely, whether the patent relates to an approved medicine, contains a claim for an approved formulation of that medicine, identifies a claim for an approved dosage form, or specifies an approved use of the medicine (s 4(2)).
[9] Once the Minister has added a patent to the register, the Regulations prohibit second persons from entering the market for the same medicine, except in accordance with strict conditions (s 7(1)). In addition, a second person who seeks to market a generic version of the patented drug must first address any patents already listed on the register (ss 5(1) and 5(4)). This regulatory arrangement is often referred to as the “frozen register”
because it freezes in time the patents that a second person must address. The second person can address the listed patents by accepting that it will not enter the market until the patents expire, by obtaining the first person’s consent, or by alleging that the patent is invalid or would not be infringed by the second person’s product (s 5(2.1)).
[10] Where the second person asserts that the listed patent is invalid or would not be infringed, it must serve a Notice of Allegation [NOA] on the first person (s 5(3)). The first person can then bring an action for a declaration that the second person’s product would infringe the patent (s 6(1)). The action bars the Minister from allowing the second person to enter the market for 24 months (s 7(1)(d)).
B. Bayer’s Patent
[11] Bayer filed its application for Canadian Patent No 2,970,315 [the ‘315 patent] in December 2015. The patent is entitled “Use of Anti-VEGF Agents to Treat Lesions in Macular Degeneration Patients.”
The Canadian Intellectual Property Office [CIPO] granted the ‘315 patent on August 22, 2023.
[12] Also on August 22, 2023, Bayer submitted patent lists for the ‘315 patent against a product called EYLEA, a drug approved for treating, among other things, neovascular (wet) age-related macular degeneration. Health Canada screened the patent lists on the day they were submitted. Bayer points out that the Patent List Screening and Eligibility sheet in this case is missing the “Eligibility Analysis Date”
field which was present on the same form in Serono. Bayer says it is unclear if this information was intentionally deleted or if the Minister refused to insert this date, and therefore that it is entirely possible the Minister completed the screening before August 24, 2023. In response, Amgen notes that there is Patent Annotation metadata showing timestamped comments by screening staff as late as August 28, 2023, suggesting that the review of the patent’s eligibility for listing was ongoing on that date. On August 30, 2023, the Office of Submissions and Intellectual Property [OSIP] informed Bayer by letter that its patent lists had been added to the register as of that date – August 30, 2023, eight days after Bayer submitted its patent lists for the ‘315 patent.
[13] Six days earlier, on August 24, 2023, Amgen filed its regulatory submission for a generic version of EYLEA. Because Bayer’s patent lists had not yet been added to the register, it appeared that Amgen did not have to address the ‘315 patent.
[14] Nevertheless, on September 7, 2023, Bayer asked OSIP to reconsider the listing date of August 30, 2023, arguing that the proper date should have been the date on which it had submitted its patent lists – August 22, 2023. Based on that date, Amgen would have had to address the ‘315 patent on August 24, 2023.
C. The Minister’s Decision
[15] In response to Bayer’s request, OSIP informed Bayer that the Minister maintained the listing date of August 30, 2023, the date of the eligibility decision.
[16] The Minister observed that the Regulations distinguish between submitting a patent list and adding a patent to the register. The Minister must maintain a register of patents that have been submitted for listing by adding those patents that meet the applicable eligibility requirements, and by refusing to add patents that do not meet those requirements (s 3(2)). As mentioned, a patent is eligible to be added to the register if it claims an approved medicinal ingredient, formulation, dosage form, or use (s 4(2)).
[17] The Minister also noted that s 5(1) of the Regulations requires second persons to address patent lists that have been submitted. However, the statements and allegations in the second person’s NOA must be directed at patents that are included on the register (s 5(2.1)). The Minister found that, when read together, these provisions reinforce the distinction between the submission of patent lists and the addition of patents to the register.
[18] The Minister rejected Bayer’s argument that eligible patent lists should be added to the register on the date they are submitted and that second persons should have to address those patents as of the date of submission. The Minister pointed out that the Regulations provide that second persons do not have to address patents that were added to the register on or after the date the second person filed its submission for a notice of compliance (ss 5(1),(4)). Again, the regulatory provisions confirm the distinction between the submission of patent lists and the addition of patents to the register.
[19] In support of his analysis, the Minister cited the 2006 Regulatory Impact Assessment Statement, SOR/2006-242, October 5, 2006, PC 2006-1077 [2006 RIAS]. In his view, the RIAS confirms that the Regulations require second persons to address patents that are eligible for addition to the register, and that have actually been added to the register. The Minister also cited Health Canada’s Guidance Document for the Regulations, which reiterates that requirement, supporting the Minister’s conclusion that the correct date for adding a patent to the register is the date on which it was found to be eligible, not the date on which it was submitted (Guidance Document – Patented Medicines (Notice of Compliance) Regulations (Revised date 2021/04/08)).
[20] The Minister also found that the purpose of the Regulations is to “balance effective patent enforcement over new and innovative drugs with the timely entry of their lower priced generic competitors.”
In the Minister’s view, that balance would be upset if second persons had to address patents added to the register after they had already filed their submissions.
[21] The Minister found that his position was supported by case law: Eli Lilly Canada Inc v Canada (Attorney General), 2009 FC 474 [Eli Lilly]. There, Lilly had argued that the Minister had a discretion to list a patent on the register on the date the patent list was filed. Justice Robert Barnes rejected that argument and concluded that second persons must address patents that have been found to be eligible for listing and added to the register, not patents that have merely been filed.
[22] Finally, the Minister found that his interpretation of the Regulations did not offend the Canada-United States-Mexico Agreement, 30 November 2018, Can TS 2020 No 5 (entered into force 1 July 2020) [CUSMA]. That agreement requires the parties to provide notice to patent holders when a company relies on information about the safety and efficacy of a previously approved product. The Regulations provide for that kind of notice and therefore meet the requirements of CUSMA.
III. Was the Minister’s Decision on the Listing Date Unreasonable?
A. The Proper Standard of Review is Unreasonableness
[23] Bayer argues that the appropriate standard of review of the Minister’s interpretation of the Regulations is correctness, not unreasonableness. Bayer suggests that the Minister and this Court have concurrent jurisdiction on the issue of listing dates, a circumstance, in Bayer’s view, that amounts to an exception to the usual presumption of a standard of review of unreasonableness (Society of Composers, Authors and Music Publishers of Canada v Entertainment Software Association, 2022 SCC 30 at para 28).
[24] I disagree. This is not a situation of concurrent jurisdiction.
[25] Bayer points to the Minister’s obligation to maintain a register of patents that have been submitted for addition to the register (s 3(2)). At the same time, the Court can receive motions to declare patents ineligible for inclusion on the register (s 6.07(1)). Accordingly, says Bayer, both the Minister and the Court have responsibility for the register.
[26] The Minister does have a duty to maintain the register and the Court can rule on the ineligibility of patents for inclusion on the register. But these are not equivalent functions; the Regulations separate the roles of the Minister and the Court. Therefore, their responsibilities cannot be described as concurrent.
[27] Accordingly, the proper standard of review to be applied to the Minister’s decision is unreasonableness.
B. The Submissions of Bayer on the Listing Date
[28] Bayer contends that the Minister’s decision to add the patent to the register eight days after it was submitted was unreasonable because the Regulations do not admit of any discretion to delay – the Minister must simply add eligible patents to the register (s 3(2)). Bayer argues that any delay between submission of an eligible patent and its listing on the register risks depriving first persons of their patent rights, contrary to the intent of the Regulations.
[29] Bayer offers an alternative to the Minister’s interpretation of the Regulations, relying primarily on the wording of s 5(1). That subsection requires second persons to address patent lists that have been submitted by a first person. This language is consistent with the wording of s 3(2) of the Regulations, which requires the Minister to maintain a register of “patents that have been submitted for addition to the register.”
Bayer contends that a second person must, therefore, address patents that were submitted by a first person before the second person filed its drug submission. The critical date, according to Bayer, is the date on which the first person submits a patent for addition to the register, not the date on which it was actually added.
[30] Bayer maintains that the 1993 and 1999 RIAS support its position that ss 3 and 5 of the Regulations create a duty to maintain a register of submitted patent lists. Bayer says these versions of the RIAS do not differentiate between “submitted”
and “added.”
It also says that the Minister erred in relying on the 2006 RIAS, which provides no guidance on when submitted patents are deemed to be added to the register, given that the 2006 amendments were not aimed at this question, but at the issue of “ever-greening”
by submitting supplemental new drug submissions.
[31] Bayer notes that the purpose of the Regulations is to counterbalance the “early working exception”
with an effective means of patent enforcement. It says this balance is upset if it only allows patents to be added to the register after an arbitrary review period by the Minister.
[32] Further, Bayer alleges that the Minister failed to account for the certification required to be made by first persons under s 4(4)(f), confirming that the information submitted is accurate and that the list meets the eligibility requirements in ss 4(2)-(3).
[33] Bayer argues that, if a second person has to address a submitted patent that is later found ineligible, the person can rely on s 7(3), which provides that deleted patents no longer block a second person’s notice of compliance. By contrast, the Minister’s interpretation creates a situation where a first person has no recourse against a second person who files a drug submission while the Minister is assessing the eligibility of a submitted patent, except to bring an infringement action. Bayer says the harm to first persons in this scenario is catastrophic, far exceeding the potential harm for second persons who might have to address patents later found to be ineligible.
[34] Bayer submits that the Eli Lilly case on which the Minister relied is distinguishable. There, the Minister had found Lilly’s patent ineligible for listing on the register. A year later, the patent was found to be eligible. Lilly asked the Minister to deem the patent to have been added to the register as of the date it was submitted, not the date on which it was found to be eligible. The Minister refused and Justice Barnes found that the Minister’s decision was correct. Bayer says that its argument differs from Lilly’s: Bayer does not contend that its patent should have been added to the register before it was found to be eligible – rather, it argues that the Minister had a duty to review and determine the patent’s eligibility immediately, not eight days after it was submitted.
[35] Bayer says that in Abbott Laboratories Limited v Canada (Attorney General), 2007 FC 797 [Abbott] this Court put second persons in the position of retroactively addressing a re-listed patent. There, the patent was added to the register five days after issuance. After amendments to the Regulations, the Minister delisted the patent on the grounds that it was no longer eligible. On judicial review, the Court found that the patent should not have been delisted and ordered that it be relisted retroactively, to the date on which the Minister had delisted it. As a result, according to Bayer, second persons would have had to address the re-listed patent if they filed their notice of compliance during the interim period. This is an example, says Bayer, of a situation where, hypothetically, the Court accepted that second persons might have had to address a patent re-listed after they submitted their notices of compliance, if they did so during the time Abbott’s patent was temporarily removed from the register.
[36] In addition, says Bayer, listing delays violate Canada’s obligations under the CUSMA, which requires Canada to provide a fair system for balancing and litigating the interests of first and second persons. Similarly, the Minister’s own Standard Operating Procedure for Administration of the Patented Medicines (Notice of Compliance) Regulations states that the Minister must examine patents “immediately,”
if possible.
[37] Finally, Bayer raises an issue with the Minister’s having selected Amgen’s submission date of August 24, 2023 as a “retroactive”
filing date for Amgen’s new drug submission, which was deemed eligible on August 31, 2023, while listing Bayer’s patent on the day it was determined to be eligible, August 30, 2023. Bayer’s alternative argument is that, in fairness both to first persons and second persons, adding a patent to the register must also be retroactive to the filing date.
C. The Minister’s Decision Was Not Unreasonable
[38] I do not agree with Bayer’s characterization of the Minister’s decision. The decision was not unreasonable in the context of the Regulations, the case law, and the facts.
[39] I agree with Bayer’s description of the basic purposes of the Regulations and the balance they seek to achieve between first and second persons. However, I disagree that these factors point to an interpretation of the Regulations that would require the Minister to add patents to the register immediately upon submission, or that would require second persons to address patents that have not yet been added to the register. The Minister does not have a discretion to delay adding patents to the register, but the Minister does exercise discretion in determining whether patents are eligible for listing.
[40] To interpret the Regulations in the manner urged by Bayer, one would have to read certain provisions in isolation; that is not a reasonable approach to interpreting the Regulations. For example, the opening words of s 3(2) say that the Minister must “maintain a register of patents that have been submitted for addition to the register...”
On its own, this passage seems to require the Minister to maintain a register of submitted patents. If that were so, second persons would have to address patents submitted by first persons, not just those actually added to the register. Indeed, this interpretation is reinforced if one reads another provision in isolation, s 5(1). It states, in effect, that a second person must address patents that have been submitted by a first person. If the Regulations said no more, one might reasonably conclude that patents are added to the register when submitted, and that second persons must address those patents. But the Regulations do say more.
[41] According to the Regulations, read as a whole, the patent register contains those patents the Minister has determined to be eligible for addition. Patents are not added to the register immediately upon submission. In particular, reading the opening words of s 3(2) along with the ensuing paragraphs ((a) and (b)), the Regulations require the Minister to “maintain a register of patents that have been submitted for addition to the register”
by adding them to the register if they meet the eligibility requirements, and by refusing to add them if they are ineligible.
[42] Similarly, reading s 5(1) along with the ensuing subsections, second persons must address patents that have been submitted by a first person by setting out statements and allegations in its NOA with respect to each relevant patent included on the register (s 5(2.1)). Second persons need not address patents that get added to the register later (s 5(4)(a)).
[43] To read the Regulations in the limited way Bayer urges me to do would be unreasonable because it would overlook the language in these other provisions that provide additional information and context for the provisions on which they rely.
[44] The Minister reasonably relied on the 2006 RIAS in support of this interpretation of the Regulations. According to the RIAS, the intention of the Regulations is to require second persons to address patents that have been found to be eligible and added to the register, not those that have merely been submitted:
Only those patents which meet the current timing, subject matter and relevance requirements set out in section 4 of the regulations are entitled to be added to Health Canada’s patent register and to the concurrent protection of the 24-month stay.
[…]
[A] generic manufacturer that files a submission . . . is only required to address the patents on the register in respect of the innovative drug as of that filing date. Patents added to the register thereafter will not give rise to any such requirement. The register will thus be “frozen” in respect of that generic manufacturer’s regulatory submission.
(2006 RIAS at pp 1511, 1519).
[45] Similarly, the Minister reasonably relied on the Guidance Document for the Regulations in support of his conclusion. The Guidance Document, in the passages below, makes clear that patents are added to the register only after they have been reviewed and found to be eligible, and that second persons need only address patents that have actually been added:
The requirements that must be met before a patent can be added to the Patent Register are provided by section 4 of the PM(NOC) Regulations (4.1, p 11).
The RMOD [Resource Management and Operations Directorate] will not add any patent... until it has completed a final evaluation and is satisfied that the patent... meets the eligibility requirements set out in section 4 (4.8, p 18).
The RMOD is required to add any patent on a patent list... that meets the requirements for addition to the Patent Register and to refuse to add any patent... that does not meet the requirements for addition to the Patent Register (7, p 28).
[46] The Minister’s interpretation is also supported by the Eli Lilly case, which he cited. There, Lilly submitted its patent list in November 2006. Two months later, the Minister found Lilly’s patent to be ineligible for listing. The parties communicated back and forth over the ensuing months until, in November 2007, the Minister agreed to list the patent. Lilly then asked the Minister to backdate the listing to November 2006, when the patent list had originally been submitted. Lilly argued that the date of submission was the proper date for the addition of a patent to the register because the submission itself provided sufficient notice to second persons who may be considering filing a drug submission for a generic version of the patented medicine. The Minister refused that request, finding that the proper date for listing was the date on which the patent was found to be eligible – in November 2007. Lilly asked the Minister to reconsider. The Minister refused, noting that the Regulations require that patents be added to the register after they have been found to be eligible, not when they are submitted for listing (para 5).
[47] On judicial review of the Minister’s decision, Justice Barnes (there applying a standard of correctness, not unreasonableness) concluded that the Minister’s decision was correct. He characterized Lilly’s argument, essentially the same as Bayer’s here, as “tenuous,”
“isolated,”
and “self-serving”
(para 11). Justice Barnes reviewed the very provisions that I have considered above and arrived at the same interpretation of them (para 15):
The obvious intent of these provisions is that the listing of a patent on the register is to be done contemporaneously with the Minister’s determination of the patent’s eligibility for listing. The effect of this is that, under ss. 5(4), a second person need not address any patent added to the register after the date of the second person’s submission for a NOC under ss. 5(1) or ss. 5(2).
[48] Justice Barnes observed that the burden of any passage of time between submission and listing falls on first persons. But that was a legislative choice. And the interpretation urged by Lilly would create its own problems by requiring second persons to address patents that are ineligible for listing.
[49] Justice Barnes interpreted the same provisions of the Regulations that are in issue here and, subject to strong reasons to believe he erred, I am bound by his interpretation. I see no error in his judgment.
[50] In the Abbott case Bayer relies on, the Minister had originally listed Abbott’s patent in July 2006 but, after amendments to the Regulations in October 2006, the Minister found the patent no longer eligible for listing. He delisted it in February 2007. Justice Sandra Simpson found that the amendments specifically granted the Minister the power to delete from the register patents that were no longer eligible. However, she went on to find that the patent was not, in fact, ineligible for listing. She ordered that the patent be added to the register as of the date on which the Minister had delisted it. She did not, I note, order that the patent be added to the register as of the date it was originally submitted, or even as of the date it was originally listed. Abbott does not assist in interpreting the provisions of the Regulations in issue here; nor does it advance Bayer’s position.
[51] The evidence here shows that Health Canada screened Bayer’s patent lists the day they were submitted. While the date the eligibility analysis was completed by staff is missing from the standard form, this is of no consequence to the date of the Minister’s eligibility decision, because the day on which staff complete their screening and eligibility analysis is not the day of the Minister’s own determination of the patent’s eligibility to be listed. The Minister added the patent to the register on the same day that it was determined to be eligible, on August 30, 2023. There was no delay.
[52] In sum, the Minister’s interpretation of the Regulations was not unreasonable. The Regulations permit a first person to submit a patent for addition to the register. The Minister must add to the register those patents that meet the regulatory requirements, and must refuse to add patents that do not meet those requirements (ss 3(2)(a),(b)). Accordingly, once a patent has been submitted for addition to the register, the Minister must determine whether the regulatory requirements have been met (s 4(2)). The addition of a patent to the register is not automatic; it must await a determination of whether the patent is eligible. Determining eligibility requires a review of the patent to see whether it claims an approved medicinal ingredient, formulation, dosage form, or use.
[53] A second person must address those patents that have been submitted by a first person, reviewed by the Minister and added to the register (ss 5(1),(2.1)). A second person does not have to address a patent that was submitted by a first person for addition to the register but not yet added to the register. Nor does a second person need to address a patent added to the register on or after the date of the second person’s drug submission (s 5(4)(a)).
[54] Accordingly, the Minister’s decision that Bayer’s patent was properly added to the register on the date it was found to be eligible – August 30, 2023 – was not unreasonable. When Amgen filed its drug submission on August 24, 2023, Bayer’s patent had not yet been added to the register; Amgen had no obligation to address it.
IV. Conclusion and Disposition
[55] The Minister’s decision to list Bayer’s patent on the date on which the Minister determined it to be eligible for listing was not unreasonable given the facts and the regulatory context. Therefore, I must dismiss this application for judicial review.
[56] The parties agree that costs should be determined in accordance with the middle of Column III of Tariff B in the Federal Courts Rules, SOR/98-106. Should the parties wish to make submissions to the Court on costs, they may do so within 10 days of the issuance of this decision.
JUDGMENT IN T-2728-23
THIS COURT’S JUDGMENT is that:
The application for judicial review is dismissed.
Costs, in favour of the respondents, shall be determined based on the middle of Column III of the Federal Court’s Tariff B.
The parties may make submissions on costs within 10 days of the issuance of this judgment.
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"James W. O'Reilly" |
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Judge |
ANNEX
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FEDERAL COURT
SOLICITORS OF RECORD
DOCKET:
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T-2728-23 |
STYLE OF CAUSE:
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BAYER INC v. AMGEN CANADA INC ET AL
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PLACE OF HEARING:
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toronto, ontario
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DATE OF HEARING:
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june 18, 2024
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JUDGMENT AND REASONS: |
O'REILLY J.
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DATED:
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JANUARY 20, 2025
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APPEARANCES:
William Boyer Nevena Cekic Christopher Van Barr
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For The APPLICANT |
Dominique Hussey
Melissa Dimilta
Will Bortolin |
For THE RESPONDENT AMGEN CANADA INC. |
James Schneider J. Sanderson Graham Leah Bowes Sarah Douglas
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For THE RESPONDENT The MINISTER OF HEALTH |
SOLICITORS OF RECORD:
Gowling WLG (Canada) LLP Ottawa, Ontario |
For The APPLICANT |
Bennett Jones LLP Toronto, Ontario |
For THE RESPONDENT AMGEN CANADA INC. |
Attorney General of Canada Toronto, Ontario |
For THE RESPONDENT The MINISTER OF HEALTH |