Reuben Chen

Reuben is a top intellectual property lawyer who litigates patent and trade secret cases and counsels clients across a wide range of technologies, including mobile, web and communications technologies, as well as medical devices and biotech. He has a proven record of success in US district courts and at the US Court of Appeals for the Federal Circuit, the International Trade Commission (ITC), and the US Patent and Trademark Office (USPTO). Super Lawyers has repeatedly recognized him as a top-rated intellectual property litigation attorney (2013 – 2024), and Patexia identifies him as one of the best-performing attorneys nationwide.

Reuben’s extensive litigation experience includes serving as lead trial counsel in high-stakes competitor-on-competitor cases, as well as efficiently winning and defending against suits filed by nonpracticing entities. He has represented Absolute Software, BitTorrent, Box, C3Nano, Canto Software, CheckVideo, ClickUp, CoAdna Photonics, Cooler Master, CoolIT Systems, Eero, Events.com, Google, HTC, LocoNav, Meta, Particle Industries, Netgear, Quorum, Resilio, Snap, Tencent, Uber, Varian Medical Systems and Wyze, among other clients.

In addition to his practice, Reuben serves as co-chair of Cooley’s Asian Pacific Islander Attorney Affinity Group and sits on the firm’s partnership nominating committee. He also devotes time to Cooley’s pro bono committee. His efforts on pro bono cases have been recognized by the American Bar Association, the National Law Journal, California Lawyers for the Arts and the San Francisco Daily Journal.

In the greater legal community, Reuben serves on the Stanford Law School Board of Visitors to the law school dean and as a board member for the Monte Jade West Science and Technology Association. He previously served as chair of the Executive Law Chapter for the Stanford Law School alumni community and on the advisory board of the Stanford Program in Law, Science & Technology. Reuben also served on the board of directors and as president of the Asian Pacific American Bar Association of Silicon Valley, as well as on the Santa Clara County Bar Association’s Judiciary Committee, which evaluates judicial candidates at the request of California’s governor.

While at Stanford Law School, Reuben was a legal assistant to professor Paul Goldstein and completed an externship with Judge Saundra Brown Armstrong of the US District Court for the Northern District of California.

Before law school, Reuben was a Medical College Admission Test (MCAT) instructor for Kaplan.

Reuben’s representative matters:

• Won a 101 motion in favor of Uber – Enovsys LLC v. Uber Technologies, Inc. (N.D. Cal.)
• Obtained dismissal in a patent case for ClickUp with no payment to Web 2.0 – Web 2.0 Technologies, LLC, et al. v. Mango Technologies, Inc., d/b/a ClickUp (D. Del.)
• Won summary judgment of noninfringement for CoolIT and Corsair – Asetek Danmark
  A/S v. CoolIT Systems Inc., Corsair Gaming, Inc., et al. (N.D. Cal.)
• Won a jury verdict for RSB Spine – RSB Spine, LLC v. DePuy Synthes Sales, Inc., et al. (D. Del.)
• Won a 101 motion in favor of Wyze, invalidating all five asserted patents; argued and won affirmance from the US Court of Appeals for the Federal Circuit – Sensormatic Electronics, LLC v. Wyze Labs, Inc. (D. Del. and Fed. Cir.)
• Represented Box in a patent case – Topia Technology, Inc. v. Box, Inc., et al. (N.D. Cal., after transfer from W.D. Tex.)
• Represented 3M on inter partes reviews (IPRs) and won denial of a preliminary injunction motion – Bay Materials LLC v. 3M Company (PTAB and D. Del.)
• Represented Absolute in a patent case – Sectra Communications AB v. Absolute Software, Inc., et al. (W.D. Wash., after transfer from W.D. Tex.)
• Represented Netgear in a patent case – TrackThings LLC v. Netgear, Inc. (D. Del., after transfer from S.D.N.Y.)
• Obtained dismissal with prejudice in a patent case for Facebook – EyesMatch Ltd., et al. v. Facebook, Inc., et al. (D. Del.)
• Represented Varian on IPRs – Varian Medical Systems, Inc. v. Best Medical International, Inc. (PTAB, IPR2020-00071, -00072, -00076)
• Won a case for Snap by invalidating all challenged claims before the US Patent Trial and Appeal Board (PTAB) and obtaining affirmance at the Federal Circuit – SRK Technology LLC v. Snap Inc. (C.D. Cal., PTAB and Fed. Cir.)
• Obtained dismissal in a patent case for Resilio with no payment to Callstat Solutions – Callstat Solutions, LLC v. Resilio, Inc. (D. Del.)
• Obtained dismissal in a patent case for LocoNav with no payment to Social Positioning Input Systems – Social Positioning Input Systems, LLC v. LocoNav, Inc. (N.D. Cal.)
• Represented Quorum Analytics in a patent case – FiscalNote, Inc. v. Quorum Analytics Inc. (D. Del.)
• Won on a claim construction order invalidating all patent claims in a patent case for Snap – CoolTVNetwork.com, Inc. v. Snap Inc. (D. Del.)
• Represented Cooler Master in a patent case – Aavid Thermalloy LLC v. Cooler Master Co., Ltd., et al. (N.D. Cal.)
• Obtained dismissal in a patent case for CheckVideo with no payment to Rothschild Broadcast Distribution Systems – Rothschild Broadcast Distribution Systems, LLC v. CheckVideo, LLC (D. Del.)
• Obtained dismissal in a patent case for Events.com with no payment to Scanning Technologies Innovations – Scanning Technologies Innovations, LLC v. Events.com, Inc. (S.D. Cal.)
• Obtained dismissal in a patent case for Particle with no payment to Social Positioning Input Systems – Social Positioning Input Systems, LLC v. Particle Industries, Inc. (N.D. Cal.)
• Obtained dismissal in a patent case for Canto Software with no payment to Rothschild Patent Imaging – Rothschild Patent Imaging LLC v. Canto Software, Inc. (N.D. Cal.)
• Obtained dismissal in a patent case for Tencent with no payment to Uniloc – Uniloc 2017 LLC v. Tencent Holdings Limited (E.D. Tex.)
• Won a motion to dismiss with prejudice in a patent case for Box – Uniloc 2017 LLC v. Box, Inc. (N.D. Cal.)
• Settled and dismissed a patent case for Snap – Vaporstream, Inc. v. Snap Inc. (C.D. Cal.)
• Represented Facebook in a patent case, won on a motion to invalidate PersonalWeb’s asserted claims based on unpatentable subject matter and obtained Federal Circuit affirmance of the district court’s order – PersonalWeb Technologies, LLC, et al. v. Facebook, Inc. (N.D. Cal. and Fed. Cir.)
• Obtained dismissal with prejudice in a patent case for Box with no payment to Data Scape –Data Scape Limited v. Box, Inc. (W.D. Tex.)
• Won denial of IPR institution for patent owner C3Nano – Cambrios Film Solutions Corporation, et al. v. C3Nano, Inc. (PTAB, IPR2019-00655, -00709)
• Obtained dismissal with prejudice in a patent case for BitTorrent with no payment to Reigntek – Reigntek IP LLC v. BitTorrent, Inc. (N.D. Cal.)
• Won a motion to invalidate all asserted claims based on unpatentable subject matter in a patent case for Facebook and obtained Federal Circuit affirmance of the district court’s order – Evolutionary Intelligence, LLC v. Facebook, Inc. (N.D. Cal. and Fed. Cir.)
• Obtained dismissal with prejudice in a patent case for Eero – Be Labs, Inc. v. Eero Inc. (D. Del.)
• Obtained dismissal with prejudice in a patent case for Snap – Ramot at Tel Aviv University Ltd. v. Snap Inc. (D. Del.)
• Won on claim construction briefing and a motion to invalidate all of Tele-Publishing’s asserted claims based on indefiniteness and unpatentable subject matter in a patent case for Facebook – Tele-Publishing, Inc. v. Facebook, Inc., et al. (D. Mass and Fed. Cir.)
• Represented Varian in several patent cases, including defense of the first suit filed by Elekta in district court, IPRs and a Varian countersuit at the ITC; obtained settlement with no payments exchanged between plaintiffs and defendants and no future financial obligations – Elekta Ltd. and William Beaumont Hospital v. Varian Medical Systems, Inc. (E.D. Mich.); Varian Medical Systems, Inc., et al. v. Elekta AB, et al. (ITC); Varian Medical Systems, Inc. v. William Beaumont Hospital and Elekta Ltd. (PTAB, IPR2016-00187)
• Obtained dismissal of Investel’s complaint in a patent case for Snap – Investel Capital Corporation v. Snap Inc. (C.D. Cal.)
• Won a motion to dismiss based on a lack of standing for HTC; obtained Federal Circuit affirmance of the district court’s order, with the district court awarding attorneys’ fees to HTC – Advanced Video Technologies, LLC v. HTC Corporation, et al. (S.D.N.Y. and Fed. Cir.)
• Obtained dismissal in a patent case for Kickstarter with no payment to the plaintiff – Jimmy Bryan v. Ralph Lauren Corp., Ralph Lauren Retail, Inc., Leoht, Inc. and Kickstarter, Inc. (S.D. Tex.)
• Obtained dismissal with prejudice in a patent case for Kickstarter with no payment to TZU – TZU Technologies LLC v. Kickstarter, Inc., et al. (C.D. Cal.)
• Obtained a final written decision invalidating all challenged claims of TriPlay’s patent in an IPR representing WhatsApp – WhatsApp Inc., et al. v. TriPlay, Inc. (PTAB, IPR2015-00740) 
• Argued at the Federal Circuit to invalidate an asserted patent in a patent case for Facebook –Weyer, et al. v. Facebook, Inc. (Fed. Cir.)
• Secured victory on appeal of a patent case for Facebook, resulting in invalidation of Pragmatus’ asserted patents – Facebook, Inc. v. Pragmatus AV, LLC (Fed. Cir.)
• Represented CoAdna Photonics in a patent case dismissed with prejudice – JDS Uniphase Corporation v. CoAdna Photonics, Inc. (N.D. Cal.)
• Represented Salk Institute in a breach of contract action involving transforming growth factor beta (TGF-ß) – The Salk Institute for Biological Studies v. Acceleron Pharma, Inc. (D. Mass.)
• Obtained dismissal in a patent case for MediaFire with no payment to MacroSolve –MacroSolve, Inc. v. MediaFire, LLC (E.D. Tex.)
• Obtained dismissal with prejudice in a patent case for BitTorrent with no payment to Tranz-Send – Tranz-Send Broadcasting Network, Inc. v. BitTorrent, Inc. (N.D. Cal.)
• Obtained dismissal in light of a successful request for USPTO’s reexamination of patents in a patent case for Facebook, with USPTO rejecting the asserted patent claims in reexamination –Mekiki Co., Ltd. v. Facebook, Inc. (N.D. Cal.)
• Obtained dismissal of a patent case for Facebook – WhoGlue Inc. v. Facebook, Inc. (D. Del.)
• Obtained dismissal of a patent case for Monterey Mushrooms, along with attorneys’ fees and costs – Huntley, LLC v. Monterey Mushrooms, Inc. (D. Del.)
• Represented Monterey Mushrooms in a correction of an inventorship and ownership dispute and obtained settlement and dismissal – The Penn State Research Foundation, Inc. v. Monterey Mushrooms, Inc. (M.D. Pa.)
• Represented Zenith Electronics in a patent enforcement case, resulting in all defendants who manufacture now being licensees to the patents – Zenith Electronics Corporation v. Thomson, Inc., et al. (E.D. Tex.)