Leaders In Patent Litigation And Post-Issuance PTO Proceedings
Patent Owners:
PV Law LLP assists patent owners in leveraging and protecting their intellectual property rights.
Patent Challengers/Defendants:
PV Law LLP assists entities accused of infringement in mounting defenses, including challenging patents at the U.S. Patent and Trademark Office.
At The Forefront Of Patent Licensing And Litigation
Industry Knowledge And Cultural Awareness
A hallmark of PV Law LLP is that our lawyers’ insights transcend their extensive legal and technical skills. We strive to understand the unique challenges our clients face, so we immerse ourselves in the market sectors and cultures of our clients. In fact, our attorneys have spent extended periods of time living and working in countries such as China, Korea and Japan, forming strong relationships with the legal, business and science communities and a deeper understanding of our clients’ goals and mindsets.
Our team members are attuned to how culture affects communication and business practices, in addition to the nuances of how different cultures interrelate. This experience enhances our capacity to effectively assist our foreign clients within the United States, whether before federal district courts, the ITC, or the PTAB.
Unmatched Depth Of Experience In Asia
Robert Gaybrick, a co-founder of PV Law LLP, led prior firms in establishing their first offices in Japan and China, and he spent decades living and working in those countries.
Through many years of representing domestic and Asian clients on hundreds of IP disputes and transactions, Robert and fellow co-founder Bradford (Brad) Cangro understand that successful IP representation translates to successful results for their clients’ businesses. Several of our attorneys are fluent in Chinese and Korean.
Recent PV Law News
Two PV Law Attorneys Achieve Multiple Recognitions from Patexia for PTAB and Patent Litigation, 2024
PV Law congratulates Bradford Cangro and Jeremy Peterson for achieving multiple recognitions from Patexia Insights for their work at the PTAB and in Patent Litigation in 2024.
Two PV Law Attorneys Named to Lawdragon’s List of 500 Leading Litigations in America, 2025
PV Law congratulates Bradford Cangro and Jacob Snodgrass for being named to Lawdragon’s list of 500 Leading Litigators in America, 2025.
IP Insights From The PV Law Team
Preamble of Jepson Claim Must Be Supported by Written Description
The Federal Circuit recently held that the written description requirement extends to the limiting preamble of a Jepson claim. In In re Xencor, Inc., Appel No. 2024-1870 (Fed. Cir. Mar. 13, 2025), the court affirmed the PTO’s written description rejections of a claim...
Recent Ruling on Estoppel at the Federal Circuit
Question: Whether a prior final written decision of a Patent Trial and Appeal Board on the unpatentability of certain claims provides collateral estoppel to a district court in deciding the patentability of different but similar claims if the differences between the...