Lestin L. Kenton, Jr.

Lestin L. Kenton, Jr.


+1 202.772.8594


Lestin L. Kenton, Jr. is a director in Sterne Kessler’s Electronics Practice Group, renowned for his multifaceted expertise in intellectual property law. With a distinguished career spanning post-grant review proceedings at the U.S. Patent and Trademark Office (USPTO), Section 337 Investigations before the U.S. International Trade Commission, infringement and validity opinions, patent portfolio evaluations, and global prosecution strategies, Lestin is a trusted advisor to clients navigating complex IP landscapes.

As a leading PTAB litigator, Lestin has demonstrated unparalleled proficiency in challenging and defending patents before the Patent Trial and Appeal Board. He has spearheaded numerous inter partes review (IPR), post grant review (PGR) and covered business method review proceedings under the America Invents Act, delivering favorable outcomes for both petitioners and patent owners. Over the last decade, Lestin has been counsel in over 100 PTAB proceedings spanning the electronics, mechanical and life-sciences arts.  In 2023, Patexia ranked Lestin as one of the most active and best performing PTAB attorneys over the five-year period from July 1, 2018 – June 30, 2023.  Notably, he was ranked in the top 50 of the Best Performing Attorneys Representing Patent Owners and ranked within the 100 best active and performing attorneys overall during this five-year period. Lestin’s strategic prowess and technical acumen have solidified his reputation as a formidable advocate in high-stakes PTAB disputes across diverse industry sectors.

Lestin is widely recognized as an expert in artificial intelligence (AI), leveraging his comprehensive understanding of AI algorithms, machine learning models, and data privacy laws to counsel tech companies on patenting AI innovations and mitigating legal risks associated with AI development and deployment. His strategic guidance ensures compliance with regulatory frameworks while maximizing the protection of AI-related intellectual property assets.

In the realm of data protection, Lestin is a recognized authority, specializing in the intellectual property protection of data-driven technologies. He assists clients in developing robust strategies for safeguarding data innovations through patents, trade secrets, and contractual arrangements. Lestin’s expertise spans data security best practices and the intricate legal dynamics of data ownership and licensing, ensuring clients’ sensitive information is secure and compliant with relevant laws and regulations.

Lestin has been instrumental in advancing legal education and professional development, leading Sterne Kessler’s PTAB Roundtables since 2014 and serving as an adjunct professor at George Mason University Antonin Scalia Law School since August 2021, where he imparts invaluable insights on PTO litigation.

Recognized for his exceptional contributions to the field, Lestin was selected by Super Lawyers to the Washington DC “Rising Stars” list in Intellectual Property for 2019 and 2020. He continues to shape the discourse on intellectual property law as a member of Law360’s 2024 IP Editorial Advisory Board and as a contributing author of Patent Office Litigation, Second Edition, published in 2017 by Thomson Reuters Westlaw.

Prior to joining Sterne Kessler, Lestin honed his technical expertise as a software developer at a defense contractor, specializing in ground-based air surveillance radar. He holds a B.S. in computer science & engineering from the University of Pennsylvania and a J.D. from Widener University School of Law. Lestin’s unique blend of technical proficiency, legal acumen, and strategic insight positions him as a trusted partner in helping clients navigate the complexities of intellectual property law in today’s rapidly evolving technological landscape.


  • Patexia, “100 Best Performing Attorneys Representing Patent Owners – PTAB (Top 50)” (2023)
  • Patexia, “100 Best Performing Attorneys Overall – PTAB” (2023)
  • Patexia, “100 Most Active Attorneys Representing Patent Owners – PTAB” (2023)
  • Patexia, “100 Most Active Attorneys Overall – PTAB” (2023)
  • Patexia, “100 Most Active Attorneys Representing Patent Owners – Inter Partes Review” (2022)
  • Patexia, “100 Best Performing Attorneys Representing Patent Owners – Inter Partes Review (Top 50)” (2022)
  • Super Lawyers, “Rising Star – Washington DC” (2020 – 2019)
  • World Intellectual Property Review (WIPR), “WIPR Leaders” (2024)


  • J.D., Widener University School of Law
  • B.S.E., Computer Science, University of Pennsylvania


  • District of Columbia
  • New Jersey
  • Pennsylvania
  • United States Patent & Trademark Office


Speaking Engagement The Sedona Conference on AI and the Law, Part 2: AI and IP Law Reston, VA, June 20, 2024
Speaking Engagement The AI Strategy Summit: IP, Data & Compliance Palo Alto, CA, May 22, 2024
Webinar 2022 PTAB Year in Review: Analysis and Trends Virtual, February 28, 2023
Speaking Engagement Diversity in Big Law and Big Data Austin, TX, February 24, 2023
Speaking Engagement Industry Review 2022: Software and AI Virtual, December 13, 2022
Speaking Engagement Pre-Trial Practice: Finishing it Before it Starts Virtual, April 20, 2021
Speaking Engagement Patent Trial and Appeal Board Practice Virtual, April 16, 2021
Speaking Engagement 2019 Global IP Strategy Conference Washington, DC, March 15, 2019

Related News & Insights From Lestin L. Kenton, Jr.

Firm Announcements Sterne Kessler Secures Two Federal Circuit Wins on Behalf of Client Roku Sterne, Kessler, Goldstein & Fox June 20, 2024
Press Release Director Lestin Kenton Recognized With 2023 Profiles in Diversity Journal® Award Sterne, Kessler, Goldstein & Fox January 4, 2024
Press Release Sterne Kessler Achieves Top Litigation Rankings in Patexia’s 2023 PTAB Intelligence Report Sterne, Kessler, Goldstein & Fox September 18, 2023
In the News Five Minutes With... Lestin Kenton, Sterne Kessler Managing IP September 11, 2023
In the News Patexia Insight 158: Top IPR Firms of 2022 Patexia November 10, 2022
In the News Roku Gets Universal Remote Patent Wiped Out at PTAB Law360 September 23, 2022
In the News Roku Scores Latest Win in Ongoing Patent Battles Over TV Tech Bloomberg Law September 23, 2022
Firm Announcements Sterne Kessler and D.C. Bar Pro Bono Center Host Sixth Annual Small Business Clinic Sterne, Kessler, Goldstein & Fox June 9, 2022
Press Release Sterne Kessler Publishes 2021 PTAB Year in Review: Analysis & Trends Report Sterne, Kessler, Goldstein & Fox March 7, 2022
In the News Roku Wipes Out Remote Control Patents At PTAB Law360 March 30, 2021
Press Release Sterne, Kessler, Goldstein & Fox Attorneys Named 2020 Super Lawyers and Rising Stars Sterne, Kessler, Goldstein & Fox P.L.L.C. April 30, 2020
Press Release Sterne Kessler Hosts Virtual Pro Bono Clinic for Small Businesses Sterne, Kessler, Goldstein & Fox P.L.L.C. April 16, 2020
Press Release Sterne Kessler Publishes 2019 PTAB Year in Review Report Sterne, Kessler, Goldstein & Fox P.L.L.C. February 28, 2020
Press Release Sterne Kessler Elects Six New Directors fivejars January 3, 2019
In the News 10 Most-Read IP Law360 Guests of 2018 Law360 December 21, 2018
In the News LG Says AMD Misreading Prior Art In Video Patent Fight Law360 March 23, 2016