Kawasaki Jukogyo Kabushiki Kaisha v. Rorze Corporation

District Court, N.D. California·Decided July 3, 2025·No. 5:22-cv-04947·Unknown

Opinion

KAWASAKI JUKOGYO KABUSHIKI Case No. 22-cv-04947-PCP KAISHA, Plaintiff, ORDER GRANTING IN PART KAWASAKI’S MOTION TO STRIKE, v. GRANTING IN PART RORZE’S MOTION TO EXCLUDE, GRANTING RORZE CORPORATION, et al., SEALING MOTIONS Defendants. Re: Dkt. Nos. 211, 251, 252, 257, 258 This order addresses motions related to the opinions and reports of two expert witnesses. Plaintiff Kawasaki moves to strike portions of expert Christian Tregillis’s report and defendant Rorze seeks to exclude expert David Haas’s testimony. For the reasons stated herein, the Court grants in part and denies in part both motions, and grants the related sealing motions. I. Kawasaki’s motion to strike portions of Christian Tregillis’s expert report is granted in part. Two months following the close of expert discovery in this case, Rorze served a supplemental report from its damages expert, Christian Tregillis. In his initial report, Mr. Tregillis calculated reasonable royalty damages in reference to Schedule 3 of his report, which details the operating profit rates for robots. He maintains that royalty damages should have instead been calculated in reference to operating profits for the accused Equipment Front End Modules (EFEMs), the figures for which are detailed in Schedule 4, and his supplemental report updates his calculations accordingly. Rorze argues that the supplementation merely corrects a “clerical error” and is thus appropriate under of Federal Rule 26(e), which recognizes a party’s “duty to supplement” information in an expert report later found to be incomplete or erroneous. Fed. R. Kawasaki counters that the new report goes beyond a Rule 26(e)(2) supplementation and constitutes a new opinion altogether. Specifically, Kawasaki takes issue with two portions of the report: Mr. Tregillis’s opinions (1) that operating profits act as a “cap” on royalties, and (2) that there are years in which Kawasaki is entitled to no reasonable royalty because Rorze made no operating profits that year.1 As an initial matter, Mr. Tregillis may update his report to reference Schedule 4 rather than Schedule 3. The Court agrees that updates to Schedule 12 of his report to reflect EFEM profit rather than robot profit lies within the scope of Rule 26(e). Mr. Tregillis did highlight this error to Kawasaki during his deposition. He also provided a seemingly routine update to Section 2.1 of his report by correcting Schedules 1.1 and 1.2—updates to which Kawasaki did not object. Mr. Tregillis may correct Schedule 12 in a similar manner. Conversely, Mr. Tregillis may not offer opinions about the effect of his correction on any hypothetical negotiations between the parties. Rule 26(e) imposes a duty on parties to supplement incomplete or incorrect expert reports; it does not, however, “create a loophole through which a party” can offer entirely new expert opinions “to [its] advantage after the court’s deadline for doing so has passed.” Luke v. Family Care and Urgent Meds. Clinics, 323 Fed. Appx. 496, 500 (9th Cir. 2009). That Rorze’s supplementation goes beyond a mere Rule 26(e) supplementation is demonstrated by the additional text Mr. Tregillis provided in his supplemental report. Unlike his updates to section 2.1, Mr. Tregillis provided seven paragraphs of new, explanatory text to accompany his updates to schedule 12. See Dkt. No. 251-2, at 6–8, ¶¶10–16. To be sure, some of this text simply describes the corrections he made to schedule 12. But these paragraphs also explicitly discuss applying “a cap” on royalty payments because such royalties “cannot exceed … operating profits.” And as a corollary to that, Mr. Tregillis opines in paragraph 14 that Rorze’s 1 Kawasaki also objected to Mr. Tregillis’s opinion that the proposed royalty offered by Kawasaki’s expert, Mr. Haas, acts as a cap if operating profits exceed Mr. Haas’s proposed lack of operating profits in certain years means that Kawasaki should not receive any royalty in certain years. Mr. Tregillis did not disclose these opinions in his original report and, because he supplemented that report after the close of expert discovery, Kawasaki was unable to depose him about these opinions. Kawasaki’s motion is therefore granted in part. Mr. Tregillis may update schedule 12 of his report to reflect its reliance on schedule 4 rather than schedule 3. But Mr. Tregillis may not offer opinions about the effect of that change on any hypothetical negotiations between the parties. In connection with this motion the parties sought to file material related to Rorze’s confidential business information under seal. The Court concludes that at this stage there is good cause to support sealing this information and therefore grants the parties’ sealing motions. See Dkt. Nos. 251, 257, 258. II. Rorze’s motion to exclude the testimony of expert David Haas is granted in part. Rorze moves to exclude five of Mr. Haas’s opinions regarding (1) damages related to foreign sales, (2) damages incurred before notice, (3) lost profits damages, (4) reasonable royalty damages, and (5) commercial success. The Court grants in part Rorze’s motion and excludes Mr. Haas’s testimony regarding damages incurred before notice. The Court otherwise denies Rorze’s motion. A. Mr. Haas may testify about damages incurred from foreign sales of the accused products. Mr. Haas’s damages calculations include all Rorze’s sales of the accused products, including sales related to products allegedly manufactured, shipped, and delivered outside of the United States. Rorze objects to Mr. Haas’s damages calculations because the federal patent statutes allow a patentee to recover damages for patent infringement only from another party who “makes, uses, offers to sell, or sells any patented invention, within the United States[.]” 35 U.S.C. § 271(a) (emphasis added); see also 35 U.S.C. § 284. Because a party cannot recover damages for patent infringement “when a patented product is made and sold in another country,” Microsoft Corp. v. AT&T Corp., 590 U.S. 437, 441 (2007), Rorze argues that Mr. Haas’s opinion is the excluded under Federal Rule of Evidence 702. The problem with this argument is that whether Rorze is ultimately liable to Kawasaki for products sold and manufactured oversees is a question of liability, not expert opinion. Courts regularly consider whether patent infringement extends to overseas sales at summary judgment. See, e.g., Asia Vital Components Co., Ltd. v. Asetek Danmark A/S, 377 F. Supp. 3d 990, 1022-23 (N.D. Cal. 2019) (recognizing the “fact-intensive nature” of the foreign sales inquiry); Ziptronix, Inc. v. Omnivision Techs., INc., 71 F. Supp. 3d 1090, 1096 (N.D. Cal. 2014) (characterizing foreign sales as matter of “infringement liability”); see also Metaswitch Networks Ltd. v. Genband US LLC, 2016 WL 874737, at *4 (E.D. Tex. Mar. 5, 2016) (distinguishing disputes of fact from expert reliability). The Court’s standing order limits parties to one 25-page summary judgment motion unless otherwise granted leave.2 Rorze did not raise this argument in its motion for summary judgment and doing so as a matter of Rule 702 motion runs contrary to the Court’s standing order. A standing order’s page limit requirement serve the dual purposes of encouraging parties to present only their strongest legal arguments and ensuring that the Court affords each party roughly equal attention in considering those arguments.3 The Court therefore denies Rorze’s motion on this basis. But even had Rorze properly raised this ar

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