Reuben Chen

Reuben is a leading 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 Federal Circuit, the International Trade Commission, and the US Patent and Trademark Office. Super Lawyers has repeatedly recognized him as a top-rated intellectual property litigation attorney (2013 – 2023), 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, Canto Software, CheckVideo, ClickUp, CoAdna Photonics, C3Nano, Cooler Master, CoolIT, eero, Events.com, Facebook, HTC, LocoNav, Particle Industries, Netgear, Quorum Analytics, 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. Reuben also sits on the firm’s partnership nominating committee. Reuben further devotes time in serving on 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 previously served as Executive Law Chapter Chair for the Stanford Law School alumni community. He also previously served on the advisory board of the Stanford Program in Law, Science & Technology. He also formerly 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. Reuben currently is a Board member of the Monte Jade West Science and Technology Association.

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 instructor for Kaplan.

Reuben’s representative matters:

• 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 non-infringement for CoolIT and Corsair – Asetek Danmark
  A/S v. CoolIT Systems Inc., Corsair Gaming, Inc., et al. (N.D. Cal.)
• Won jury verdict for RSB Spine – RSB Spine, LLC v. DePuy Synthes Sales, Inc., et al. (D. Del.)
• Won 101 motion in favor of Wyze, invalidating all five asserted patents; argued and won Federal Circuit affirmance – Sensormatic Electronics, LLC v. Wyze Labs, Inc. (D. Del.)
• Represented Box in a patent case – Topia Technology, Inc. v. Box, Inc., et al. (N.D. Cal., after transfer from W.D. Tex.)
• Instituted inter partes reviews (IPRs) for 3M and won denial of preliminary injunction motion – Bay Materials LLC v. 3M Company (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. Facebook, Inc., et al. (D. Del.)
• Represented Varian in instituted IPRs – Varian Medical Systems, Inc. v. Best Medical International, Inc. (Patent Trial and Appeal Board, IPR2020-00071, -00072, -00076)
• Represented Snap in a patent case that invalidated all challenged claims before the PTAB – SRK Technology LLC v. Snap Inc. (C.D. Cal.)
• 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 – 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 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 ultimately obtained Federal Circuit affirmance of the district court’s order – PersonalWeb Technologies, LLC, et al. v. Facebook, Inc. (N.D. Cal.)
• 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 ultimately 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 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.)
• Represented HTC in a patent case and won a motion to dismiss based on a lack of standing; 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 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 inter partes review 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.)
• Successfully appealed 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 TGF-beta – 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.)