Counsel registry
Etheridge Law Group
15 case appearances — 14 as plaintiff counsel · 1 as defendant counsel.
Firm overview
Etheridge Law Group is an intellectual property litigation boutique firm headquartered in Southlake, Texas. The firm specializes in patent disputes, including district court litigation, Inter Partes Review (IPR) proceedings before the Patent Trial and Appeal Board (PTAB), and appeals to the Federal Circuit.
The firm's patent litigation practice primarily represents plaintiffs and patent owners, with 13 of its 14 tracked appearances being on the plaintiff side. This includes extensive work as lead counsel for Non-Practicing Entity (NPE) Uniloc USA, Inc. and Uniloc Luxembourg S.A. in numerous patent infringement cases against major technology companies such as Sony, Electronic Arts, Kaspersky Lab, McAfee, Ubisoft, Sega, Adobe, Mojang AB, and Twitter. The firm's case work demonstrates a focus on software, communication systems, and internet-related technologies.
Etheridge Law Group also has a notable practice before the PTAB. In the 2022 Patexia IPR Intelligence Report, the firm was ranked as the 5th Most Active Firm representing patent owners, 6th Best Performing Law Firm representing patent owners, and 5th Best Performing Law Firm overall. The firm reports handling over 250 IPRs, with notable successes including defeating ZTE's IPR petition across 45 challenged claims and achieving a sweep of three Salesforce IPRs against WSOU Investments.
Key partners in the firm's patent litigation practice include founder James L. Etheridge, who has appeared in 11 tracked cases as lead counsel, Ryan S. Loveless, and Brett A. Mangrum. Ryan S. Loveless was recognized in the 2022 Patexia report as the 1st Most Active Attorney representing patent owners, with James Etheridge also ranking among the most active. The firm's attorneys have also represented clients, including Uniloc, in Federal Circuit appeals.
Attorneys
Roles
- lead counsel9
- of counsel4
- Lead Counsel3
- counsel2
- local counsel1
Cases (15)
- π plaintiffAlthearidge LLC v. Viasat IncJim Etheridge · lead counsel
- π plaintiffEcofactor, Inc. v. Emerson Electric Co.James L. Etheridge · local counsel
- π plaintiffStratasys, Inc. v. Shanghai Lunkuo Technology Co. et al.Ryan S. Loveless · lead counsel
- π plaintiffUniloc Luxembourg S.A. v. Mojang ABJames L. Etheridge
- π plaintiffUniloc Luxembourg S.A. v. Twitter, Inc.James L. Etheridge · lead counsel
- π plaintiffUniloc USA, Inc. et al. v. Electronic Arts, Inc.James L. Etheridge · lead counsel
- π plaintiffUniloc USA, Inc. et al. v. Kaspersky Lab, Inc.James L. Etheridge · lead counsel
- π plaintiffUniloc USA, Inc. et al. v. Sony Corporation of America et al.James L. Etheridge · lead counsel
- π plaintiffUniloc USA, Inc. v. Adobe Systems Inc.James L. Etheridge · Lead Counsel
- π plaintiffUniloc USA, Inc. v. Electronic Arts Inc.James L. Etheridge · lead counsel
- π plaintiffUniloc USA, Inc. v. McAfee, Inc.James L. Etheridge · Lead Counsel
- π plaintiffUniloc USA, Inc. v. Sega of America, Inc.James L. Etheridge · lead counsel
- π plaintiffUniloc USA, Inc. v. Ubisoft, Inc.James L. Etheridge · lead counsel
- π plaintiffUntitled caseJames E. Etheridge · Lead Counsel
- Δ defendantUntitled caseBrett Aaron Mangrum · of counsel