Mark Kachner

Masimo Corp. et al. v. Apple, Inc., (C.D. Cal.) 

Represents Masimo against Apple in a multi-jurisdictional dispute, including the Central District of California (CD Cal), District of Delaware (D. Del), and International Trade Commission (ITC). Mr. Kachner worked with Masimo’s witnesses, and technical and economic experts, to build the strategy to enforce Masimo’s patent and trade secret rights. In the CD Cal case, after an eight-day trial, the jury found the Apple Watch infringed Masimo’s patent and awarded more than $634 million in damages. 

Masimo Corp. v. Philips Electronics North America Corp. and Philips Medizin Systeme Boblingen GmbH. (D. Del.). 

Represented Masimo in a multi-phase patent and antitrust litigation involving pulse oximetry. In the first phase, after a three-week trial, the jury found Philips infringed Masimo’s pulse oximetry technology and awarded more than $466 million. The jury also rejected Philips’ counter-infringement claims rejected their request for $169 million. The case settled during a second phase involving related technology and antitrust claims. Philips agreed to pay Masimo $300 million and enter a multi-year business partnership. Mr. Kachner then helped Masimo successfully enforce the settlement agreement in court securing an order requiring Philips to honor its obligations. 

Masimo Corp. et al. v. True Wearables, Inc., Case No. 8:18-cv-02001 (C.D. Cal.), aff’d, 2022 WL 205485 (Fed. Cir. 2022) 

Represented Masimo in a complex intellectual property case against a former executive. Mr. Kachner led the effort to secure a preliminary injunction barring the defendants from further using Masimo’s trade secrets and requiring that they prevent publishing Masimo’s confidential information in numerous patent applications. The Federal Circuit upheld the injunction in an interlocutory appeal. Mr. Kachner was then part of the trial team that secured a ruling that the former executive misappropriated trade secrets, breached his fiduciary duty, and violated his employment agreements. The Court enjoined sales of True Wearables’ products that contained Masimo’s trade secret technology and ordered the defendants to abandon patent applications containing Masimo trade secrets. 

Masimo Corp. v. Shenzhen Mindray Bio-Medical Tech. Co. Ltd. and Mindray DS USA (C.D. Cal.) 

Represented Masimo in patent, antitrust, and contract litigation. Mr. Kachner had a primary role developing Masimo’s strategy to enforce its patent and breach of contract claims. The case settled shortly before trial, with Mindray agreed to pay Masimo $25 million, and enter a favorable business arrangement whereby Mindray would purchase all pulse oximetry products in the U.S. and Canada from Masimo for more than a decade. 

Oasis Medical v. Biocia Inc. (C.D. Cal) 

Mr. Kachner led litigation against Biocia Inc. to enforce Oasis’s exclusive U.S. rights to certain OTC eye care technology. Secured a preliminary injunction barring the defendants from entering the U.S. market to sell competing technology using Oasis’s exclusive technology. Mr. Kachner then led his team through fact and expert discovery, and defeated summary judgment on all claims. Case resolved prior to trial. 

Mr. Kachner continues to advise Oasis on its patent and trademark portfolio and guides Oasis on various competitive business matters, involving complex intellectual property and regulatory issues, across their range of eye care technologies and products.

3M v. Kerr (D. Del). 

Represented Kerr to defend against claims of patent infringement involving dental composite technology. Case resolved prior to trial. 

Environmental Construction Group v. Gutierrez (C.D. Cal) 

Represented ECG in trade secret dispute involving multiple former employees taking highly confidential financial information to a competitor. Following discovery, Mr. Kachner helped secure a favorable settlement. 

SmileDirectClub, LLC v. Donovan W. Berkely (C.D. Cal) 

Represented Mr. Berkely to assert trademark rights and registrations and defend against claims of fraud on the trademark office. Mr. Kachner secured a partial dismissal on the pleadings, developed the case strategy, and secured a favorable settlement.