Patent litigation attorney

Kristopher Ryan Davis

7 tracked appearances — 6 plaintiff · 1 defendant.

Specialty & background

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Kristopher R. ("Kris") Davis is a partner at Russ August & Kabat in Los Angeles, where his practice centers on complex patent and trade-secret litigation and IP licensing.[1] His docket and firm bio indicate a technology focus on wireless communications and telecommunications (including cellular data-saving and push-messaging patents), mobile devices, networking and software applications, graphics processors, memory and semiconductors, and, from earlier work, automotive control systems and medical devices.[1] He is a registered patent attorney (Reg. No. 62,063) and has handled prosecution and IP-asset acquisition work in addition to litigation.[1][4]

Side of the table. His tracked appearances are overwhelmingly plaintiff-side (7 of 8), and he functions as a core member of Russ August & Kabat's patent-owner trial group. He is a recurring counsel for Headwater Research LLC, the Tyler, Texas–based NPE founded by inventor Gregory Raleigh, and has also represented other asserting entities including EcoFactor, Resonant Systems, and Neodron.[1][5] The single defendant-side tracked entry, Target Corporation v. Headwater Research LLC, appears to be the declaratory-judgment counterpart to Headwater's parallel E.D. Tex. infringement suit against Target; his firm bio also lists earlier defense representations of operating companies such as Nvidia, Honda, HSBC, USIC, Stryker, and Sophos, reflecting experience on both sides.[1][6]

Notable matters. He was a member of the Russ August & Kabat trial teams that obtained a $278.79 million jury verdict for Headwater against Samsung Electronics America (April 2025, U.S. Patent Nos. 9,198,117 and 8,406,733) and a $175 million jury verdict for Headwater against Verizon in the Eastern District of Texas (July 23, 2025, in Headwater Research LLC v. Verizon Communications Inc., No. 2:23-cv-00352).[2][3] He is also identified as lead counsel in Headwater's newer, consolidated E.D. Tex. campaign against Uber (and related cases against Target, Walmart, and Amazon), and appears in connection with Headwater Research LLC v. Tencent Holdings Limited.[5][7] He participated in the Federal Circuit proceedings in Google LLC v. EcoFactor, Inc. (Fed. Cir. July 15, 2024), which arose from EcoFactor's smart-thermostat patent cases against Google and ecobee; the firm reports jury verdicts of infringement and validity in those district court cases.[1][8] One caveat on the Verizon matter: the docket reflects a February 2026 bench trial on equitable estoppel/waiver and an April 2026 final judgment holding the asserted patents unenforceable against Verizon on implied-waiver grounds, while Law360 reported in August 2025 that the parties had settled — the public record is difficult to reconcile, and these are post-verdict developments rather than final appellate results.[9][10]

PTAB/IPR. He appears regularly in AIA post-grant proceedings, almost exclusively for patent owners, including Google LLC v. EcoFactor (IPR2020-01504), Google LLC v. Headwater Research (IPR2024-00945), Amazon.com Services LLC v. Headwater Research (IPR2026-00106), Target Corp. v. Headwater Research (IPR2026-00154), and Cisco Systems, Inc. v. OptimNet LLC (IPR2026-00322).[4][11][12] Bar/education: J.D., University of Illinois College of Law (2008, Order of the Coif, summa cum laude); B.S. in electrical engineering, University of Illinois at Urbana-Champaign (2005); registered before the USPTO, with directory listings differing on state admissions (Super Lawyers reports California admission in 2019; other directories list Illinois).[1][13] Before joining Russ August & Kabat he practiced in the IP litigation group at Latham & Watkins.[1]

Firms

Roles

  • counsel2
  • Attorney to be Noticed1
  • lead counsel1
  • attorney of record1

Cases (7)