Plexxikon Inc. v. Novartis Pharmaceuticals Corporation

CourtDistrict Court, N.D. California
DecidedJanuary 12, 2021
Docket4:17-cv-04405
StatusUnknown

This text of Plexxikon Inc. v. Novartis Pharmaceuticals Corporation (Plexxikon Inc. v. Novartis Pharmaceuticals Corporation) is published on Counsel Stack Legal Research, covering District Court, N.D. California primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Plexxikon Inc. v. Novartis Pharmaceuticals Corporation, (N.D. Cal. 2021).

Opinion

1 2 3 4 UNITED STATES DISTRICT COURT 5 NORTHERN DISTRICT OF CALIFORNIA 6

7 PLEXXIKON INC., Case No. 4:17-cv-04405-HSG

8 Plaintiff, ORDER REGARDING MOTIONS TO 9 vs. EXCLUDE DAMAGES EXPERTS’ OPINIONS 10 NOVARTIS PHARMACEUTICALS Re: Dkt. Nos. 169, 202 CORPORATION, 11 Defendant. 12

13 Pending before the Court are the parties’ motions to exclude certain expert opinions and 14 testimony related to damages. Plaintiff Plexxikon Inc. (“Plexxikon”) moves to exclude opinions 15 and testimony of defendant’s damages expert, James E. Malackowski. Dkt. No. 169 (“Pl. Mot.”). 16 Defendant Novartis Pharmaceuticals Corporation’s (“Novartis”) moves to exclude the testimony 17 of plaintiff’s damages expert, Gregory J. Leonard. Dkt. No. 202 (“Def. Mot.”). The Court heard 18 oral argument on these motions on November 1, 2019. See Dkt. No. 341. As detailed below, the 19 Court DENIES Novartis’ motion and GRANTS IN PART and DENIES IN PART Plexxikon’s 20 motion. 21 I. BACKGROUND 22 This is a patent infringement case related to Plexxikon’s patents for kinase inhibitors. 23 Plexxikon accuses Novartis’ melanoma drug Tafinlar, which Novartis acquired for $2 billion from 24 GlaxoSmithKline in 2015. Tafinlar works by inhibiting B-Raf, a type of kinase. The parties agree 25 that the asserted patents have never been licensed. Nevertheless, both parties’ damages experts 26 rely on purportedly comparable licenses under a “hypothetical negotiation” framework in order to 27 determine a reasonable royalty for the asserted patents. 1 both parties would have had “walk away points” beyond which they would not have entered a 2 license. See Dkt. No. 403-6 (“Leonard Report”) ¶ 45. For Plexxikon, the walk-away point relates 3 to the drug Zelboraf, which is sold by its licensee, Roche.1 Zelboraf is not covered by the asserted 4 patents. See id. ¶ 78. However, Zelboraf competes directly with Tafinlar as the only other B-Raf 5 inhibitor on the market. Id. ¶ 61. Dr. Leonard opines that Plexxikon would have considered the 6 “opportunity cost” of licensing to Novartis in terms of lost royalties from Zelboraf sales. Id. ¶ 60. 7 Assuming that Zelboraf would capture the projected Tafinlar sales in the absence of a Novartis 8 license, Dr. Leonard concludes that Plexxikon would not have accepted less than a 5.5% royalty 9 rate. Id. ¶ 71. 10 Separately, Dr. Leonard opines that the Roche collaboration agreement that covers 11 Zelboraf is also the most comparable license. Id. ¶ 83. Although they involve different patents, 12 Plexxikon’s technical expert opines that the technology is comparable, and Dr. Leonard finds that 13 the markets are similar because Zelboraf and Tafinlar serve the same patients through the same 14 mechanism of action and Roche and Novartis are similarly situated. Id. ¶ 103. Since the Roche 15 agreement also involves other types of collaboration (“know-how,” identification of a single lead 16 compound, etc.), Dr. Leonard apportions the value of the intellectual property by comparing 17 royalties in countries that did and did not have patent protection. Id. ¶¶ 107-09. Dr. Leonard thus 18 concludes that without these additional factors, the effectively royalty rate for the patents would be 19 6.26%-12.52%. Id. ¶ 144. 20 Novartis’ expert, Mr. Malackowski, disagrees that the Roche collaboration agreement is 21 comparable because, among other reasons, it identifies a specific compound and provides broad 22 collaboration benefits. Dkt. No. 393-17 (“Malackowski Report”) at 102-07. By contrast, in a 23 hypothetical negotiation, Plexxikon would have provided only a bare license, leaving the difficult 24 work of identifying and developing a specific compound to Novartis. Id. at 107; see also Leonard 25 Report ¶ 128 (agreeing that only bare license would be provided). During deposition, Mr. 26

27 1 Specifically, Hoffman-La Roche Inc. and F. Hoffman-La Roche Ltd. (together, “Roche”). Dr. 1 Malackowski testified that narrow patents that identify a specific compound are more valuable 2 than broad genus patents because the latter are “like a state permit to dig for gold in California,” 3 while the former provide “a treasure map with an X on the spot.” Dkt. No. 397-5 (“Malackowski 4 Depo.”) at 37:20-38:3, 146:22-147:1. Instead of the Roche license, Mr. Malackowski opines that 5 three other license agreements between Novartis and Rigel Pharmaceuticals, Inc., Curis, Inc., and 6 Harvard Corporation (the “Rigel,” “Curis,” and “Harvard” licenses, respectively) are comparable. 7 Malackowski Report at 50, 65. 8 All three agreements are “freedom to operate” licenses. Id. at 41, 54, 62. The Rigel 9 license arose from a legal settlement based on Novartis’ desire to avoid litigation. Id. at 40-41. It 10 licensed patents related to a different kinase inhibitor for a drug used to treat a different cancer 11 type. Id. at 46-49. The Curtis license also arose from a settlement of a lawsuit in which Novartis 12 further argued that the patents were invalid. Id. at 50. Again, Novartis testified that it agreed to 13 the license because doing so was cheaper than litigation. Id. at 53-54. The licensed drug treated 14 skin cancer, not melanoma. Id. at 58. Last, the Harvard license arose when Harvard approached 15 Novartis about licensing one of its products. Id. at 64. Novartis’ 30(b)(6) witness testified that 16 “Novartis determined that it would be cheaper to take the license than risk litigation for freedom to 17 operate purposes.” Dkt. No. 397-6 (“Waibel Depo.”) at 207:25-208:3. The licensed drug targets 18 multiple myeloma, not cancer, using a different type of inhibitor. Malackowski Report at 68. 19 Mr. Malackowski opines that these licenses are comparable because the parties, the license 20 terms, the patents, and the licensed product are all comparable. Namely, Rigel and Curtis are both 21 biotechnology companies that focus on drug discovery and collaboration, similar to Plexxikon; the 22 agreements provided a bare, non-exclusive license; the patents claim a broad genus of molecules 23 without identifying a specific compound; the licensed products have similar value and were on the 24 market for comparable amounts of time; and the parties were in a similar financial state at the time 25 of the license. Id. at 42-50, 54-62, 64-71. Based considerably on these licenses, Mr. Malackowski 26 concludes that a reasonable royalty would be a lump sum of $3.5 million. Id. at 96. However, he 27 also provides an alternative reasonable royalty opinion based on a greater discounting of the 1 II. LEGAL STANDARD 2 Federal Rule of Evidence 702 allows a qualified expert to testify “in the form of an opinion or 3 otherwise” where:

4 (a) the expert’s scientific, technical, or other specialized knowledge will help the trier of fact to understand the evidence or to determine a 5 fact in issue; (b) the testimony is based on sufficient facts or data; (c) the testimony is the product of reliable principles and methods; and 6 (d) the expert has reliably applied the principles and methods to the facts of the case. 7 8 Fed. R. Evid. 702. Expert testimony is admissible under Rule 702 if it is both relevant and reliable. 9 See Daubert v. Merrell Dow Pharm., Inc., 509 U.S. 579, 597 (1993). “[R]elevance means that the 10 evidence will assist the trier of fact to understand or determine a fact in issue.” Cooper v. Brown, 510 11 F.3d 870, 942 (9th Cir. 2007); see also Primiano v. Cook, 598 F.3d 558, 564 (9th Cir. 2010) (“The 12 requirement that the opinion testimony assist the trier of fact goes primarily to relevance.”) (quotation 13 omitted).

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Plexxikon Inc. v. Novartis Pharmaceuticals Corporation, Counsel Stack Legal Research, https://law.counselstack.com/opinion/plexxikon-inc-v-novartis-pharmaceuticals-corporation-cand-2021.