Katie Lynn Joyce represents clients in high-stakes civil litigation and criminal defense. Her experience includes patent, trade secret, and other intellectual property cases; fiduciary duty and breach of contract disputes; and white-collar criminal defense. She has represented plaintiffs and defendants in state and federal courts, as well as in arbitration. Katie Lynn has also played key roles on multiple trial teams, including one that secured the recovery of a multi-million dollar award, in addition to attorneys’ fees, for former shareholders of a tech company.
Prior to joining Keker, Van Nest & Peters, Katie Lynn served as a law clerk to Judge Richard A. Paez of the U.S. Court of Appeals for the Ninth Circuit, and Judge Christina Reiss of the U.S. District Court for the District of Vermont. Katie Lynn earned her J.D. from the University of California, Berkeley School of Law, and graduated from Washington University in St. Louis with a B.A. in anthropology.
Cases of Note
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CoStar v. CREXi
We represented Commercial Real Estate Exchange, Inc. (CREXi), a fast-growing online commercial real estate marketplace, in competitor litigation against industry giant CoStar. After CoStar filed a complaint against CREXi alleging…
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Broadcom v. Netflix
We defended Netflix against a 12-patent case Broadcom filed in the Central District of California. After transferring the case to the Northern District of California, we successfully invalidated 9 patents…
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SRS Acquiom, Inc. v. PNC Bank et al.
We represented software innovator SRS Acquiom in a trade-secrets misappropriation case against PNC Bank and two former SRS employees, alleging that the employees improperly retained SRS confidential information and used…
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AlmondNet v. FreeWheel Media
We are defending Comcast subsidiaries FreeWheel Media and Beeswax.io against infringement claims based on patents directed to targeted advertising brought by AlmondNet in the District of Delaware.
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Jenam Tech v. Google
We defended Google against a series of patent cases alleging that Google’s network protocol infringes Jenam’s patents. A three-judge Federal Circuit panel ordered the district court to transfer the case…
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Symantec v. Zscaler
We represented Zscaler in parallel infringement suits brought by Symantec in the District of Delaware asserting 14 patents against Zscaler’s network-security platform. We succeeded in transferring both cases to the…
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United States v. Christopher Lischewski
We defended the former CEO of Bumble Bee Foods in a five-week jury trial in the Northern District of California against charges that he conspired to fix prices of canned…
News & Events
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Katie Lynn Joyce Discusses Resurgence of Patent Declaratory Judgment Actions
Keker, Van Nest & Peters partner Katie Lynn Joyce spoke with Law360 about the growing use of declaratory judgment actions by companies facing patent litigation threats. Joyce represented Comcast in a declarator…
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Best Lawyers Names 2027 Top Attorneys and Ones to Watch
The Best Lawyers in America has recognized 20 Keker attorneys in its 2027 edition of The Best Lawyers in America® and Best Lawyers: Ones to Watch® in America. Fourteen Keker lawyers were selected as Best L…
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Top 40 Under 40: Katie Lynn Joyce
Katie Lynn Joyce filed a declaratory judgment action a few months ago against a non-practicing entity that had made threats against Comcast, the company’s second such filing she has led. The first, filed …
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Four Partners Named Among Lawdragon’s Next Generation
Keker, Van Nest & Peters is proud to announce that partners Cody Gray, Bailey Heaps, Katie Lynn Joyce, Christina Lee have been named among the 2026 Lawdragon 500 X – The Next Generation.
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Best Lawyers Issues 2026 Edition of Top Attorneys; Elliot Peters Honored as Lawyer of the Year
Best Lawyers Issues 2026 Edition of Top Attorneys; Elliot Peters Honored as Lawyer of the Year
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Big Tech’s Refusal-To-Deal Hits a Wall: Judges
Big tech’s refusal-to-deal defenses against antitrust claims are not convincing courts, according to a Law360 analysis. The report highlights cases where courts rejected arguments from large tech companie…
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Momentum Builds for CREXi, as Judge Clears Path to Trial in IP Row
A California federal judge denied both CoStar and CREXi’s partial summary judgment motions in CoStar’s copyright suit, clearing a path to trial in the same week the Ninth Circuit revived CREXi’s antitrust count…
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Katie Lynn Joyce and Catherine Porto Provide Tips for Building a Strong Trade Secret Damages Model with Reuters Legal News
Katie Lynn Joyce and Catherine Porto discuss ways to build a strong trade secret damages model with Reuters Legal News.
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Keker, Van Nest & Peters Announces New Partners and Of Counsel
Keker, Van Nest & Peters is pleased to announce that the firm has elevated associates Bailey Heaps, Katie Lynn Joyce, and Chris Sun to Partners, and Kristin Hucek and Ian Kanig to Of Counsel, effective January …
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Publications & Presentations
- “The Patent Playbook: Trends to Watch and Issues to Know,” Keker, Van Nest & Peters CLE Annual Workshop, March 2026
- “Patent Litigation for Non-Engineers,” Berkeley Center for Law & Technology, March 2019.
- “Stars, Dragons, and the Letter ‘M’: Consequential Symbols in California Prison Gang Policy,” 104 CALIF. L. REV. 733, June 2016