Alberti Lim and Tonkovich, LLP a leading intellectual property law firm, is proud to announce its recognition in Patexia’s prestigious 2025 PTAB Intelligence Report. Covering proceedings from July 2020 to June 2025, the report analyzes over 6,573 IPR and 267 PGR filings, highlighting the firm’s and its attorneys’ outstanding contributions in representing patent owners at the Patent Trial and Appeal Board (PTAB). These rankings, drawn from a comprehensive evaluation of 850 law firms and 5,650 attorneys involved in PTAB matters, underscore Alberti Lim’s commitment to excellence in IP enforcement. This is the second consecutive year that Alberti Lim has been recognized as a top firm in the report.

In the report, Alberti Lim secured impressive rankings across multiple categories, reflecting its active involvement and success in high-stakes PTAB disputes among 850 of its peer firms:

• The firm ranked in the Top 30 Most Active Law Firms Representing Patent Owners
• The firm ranked in the Top 50 Best Performing Law Firms Representing Patent Owners

These achievements demonstrate Alberti Lim’s dedication to vigorously defending clients’ intellectual property rights and delivering results in complex PTAB environments, placing the firm in the elite tier of performers nationwide.

Individual attorneys from Alberti Lim also earned notable recognitions for their expertise and impact, standing out among over 5,000 practitioners:

• David Alberti ranked in the Top 50 (#36) Most Active Attorneys Representing Patent Owners; Top 100 (#85) Most Active Attorneys Overall; Top 100 (#70) Best Performing Attorneys Representing Patent Owners.
• Sal Lim ranked in the Top 50 (#50) Most Active Attorneys Representing Patent Owners
• Hong Lin ranked in the 100 (#78) Best Performing Attorneys Representing Patent Owners

Co-founder and partner, Sal Lim, noted, “Achieving such high placements among 850 firms and over 5,000 attorneys highlights our firm’s leadership in this critical area of IP practice. We remain committed to helping our clients navigate the evolving landscape of patent challenges and achieve optimal outcomes.”

Patexia’s annual report analyzes PTAB data from the USPTO, evaluating firms and attorneys based on activity levels, case outcomes, and overall performance using advanced metrics like Activity Scores, Success Scores, and Performance Scores. This year’s edition emphasizes the strategic importance of PTAB in influencing patent validity, licensing, and litigation risk amid technological advancements.

About Alberti Lim & Tonkovich LLP

Alberti Lim & Tonkovich LLP is a Silicon Valley-based patent litigation firm built around a singular focus: the patent owner. The firm has built a record of winning for patent owners against the largest technology companies across district courts, the ITC, the PTAB, and the Federal Circuit, including consecutive IPR victories and a record-breaking patent verdict in the Eastern District of Texas. The team at Alberti Lim has been consistently recognized by IAM Patent 1000, Chambers & Partners, Patexia, and U.S. News Best Lawyers.

For inquiries, contact us at contact@albertilim.com or 650.825.4300.