Partner
Daniel Klodowski's practice focuses on post-grant proceedings before the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office (USPTO), litigating patents in district court and at the International Trade Commission (ITC), and prosecuting patent applications in several mechanical and electrical technologies.
Daniel has a breadth of experience in intellectual property law, with a particular focus on post-grant proceedings before the PTAB. He has appeared in dozens of PTAB proceedings and drafted both successful petitions to invalidate patents and successful patent owner responses to maintain patent validity. He has argued before the Board at three oral hearings.
Daniel maintains an active litigation practice in district courts as well as before the Court of Appeals for the Federal Circuit and the ITC. He also prosecutes patent applications in several technology areas.
Daniel has broad technical experience across the mechanical and electrical fields, including computer networking and business software, cable television networks, LCD screen technology, automotive propulsion and tire technology, medical devices, robotics, consumer electronics, consumer mechanical devices, exercise equipment, hydroelectric power generators, hydrogen fuel cells and batteries, nanotechnology, and aircraft fire suppression systems.
Daniel's pro bono experience includes representing disability claimants before administrative law judges of the Social Security Administration and assisting veterans with disability claims. He has been recognized on the Capital Pro Bono Honor Roll.
Promptu Systems Corporation v. Comcast Corporation
Obtained a $240 million jury verdict for client Promptu in a patent infringement lawsuit against Comcast. The jury found that Comcast willfully infringed Promptu’s patents covering voice recognition technology for TV.
2:16-cv-06516, E.D. Pa., Judge Sanchez
22-1939, Fed. Cir., Judges Prost, Moore, Taranto
FOX Factory, Inc. v. SRAM, LLC
18-2024, -2025, Fed. Cir., Judges Prost, Wallach, Hughes
IPR2017-00118, -00472, PTAB, Judges Kim, Ippolito, Cherry
Comcast Cable Communications, LLC v. Promptu Systems Corporation
IPR2018-00340, -00341, -00344, -00345, PTAB, Judges Yap, Lee, Bonilla
19-1947, -1948, -2287, -2288, Fed. Cir., Judges Moore, Schall, Lourie
Travelers Indemnity Company v. Integrated Claims Systems, LLC
18-1142, -1143, Fed. Cir., Judges Dyk, Bryson, Chen
IPR2016-00659, -00660, PTAB, Judges Deshpande, Jung, Goodson
Siemens Healthcare Diagnostics Inc. v. Radiometer Medical ApS
IPR2018-00311, PTAB, Judges Heaney, Kokoski, Abraham
Certain Soft-Edged Trampolines
337-TA-908, ITC, Judge Pender
At the PTAB Blog
IPR and PGR Statistics for Final Written Decisions Issued in March and April 2026 IPR and PGR Statistics for Final Written Decisions Issued in March and April 2026
May 26, 2026
At the PTAB Blog
Federal Circuit PTAB Appeal Statistics for December 2025 - February 2026 Federal Circuit PTAB Appeal Statistics for December 2025 - February 2026
March 31, 2026
At the PTAB Blog
IPR and PGR Statistics for Final Written Decisions Issued in November 2025 to January 2026 IPR and PGR Statistics for Final Written Decisions Issued in November 2025 to January 2026
March 6, 2026
At the PTAB Blog
Federal Circuit PTAB Appeal Statistics for September-November 2025 Federal Circuit PTAB Appeal Statistics for September-November 2025
December 30, 2025
At the PTAB Blog
IPR and PGR Statistics for Final Written Decisions Issued in September and October 2025 IPR and PGR Statistics for Final Written Decisions Issued in September and October 2025
December 19, 2025
At the PTAB Blog
Federal Circuit PTAB Appeal Statistics for August 2025 Federal Circuit PTAB Appeal Statistics for August 2025
October 10, 2025
Commentary
Finnegan Team Secures $240M Jury Verdict After PTAB Success Finnegan Team Secures $240M Jury Verdict After PTAB Success
February 3, 2026
Managing Intellectual PropertyCommentary
How We Won: Promptu Counsel on Its $240M Victory Against Comcast How We Won: Promptu Counsel on Its $240M Victory Against Comcast
February 2, 2026
World Intellectual Property ReviewMedia Mention
Law360's Legal Lions of The Week - Promptu Law360's Legal Lions of The Week - Promptu
January 30, 2026
Law360Media Mention
Litigator of the Week Runners-Up and Shout-Outs: Promptu Litigator of the Week Runners-Up and Shout-Outs: Promptu
January 30, 2026
The AmLaw Litigation DailyMedia Mention
Comcast Hit With $240M Verdict in Voice Recognition IP Trial Comcast Hit With $240M Verdict in Voice Recognition IP Trial
January 27, 2026
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