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Covington’s Patent Office Trials practice draws upon the expertise of two former PTAB Administrative Patent Judges, the firm’s deep bench of patent litigators with expertise in complex, multi-forum patent disputes and appeals, and Covington’s long history of success in reexamination proceedings before the U.S. Patent and Trademark Office (PTO). No other PTAB trial team offers Covington's combination of experienced PTAB litigators and seasoned PTAB insiders.

Covington has handled over 100 PTAB proceedings, achieving successful outcomes in nearly 100% of the cases that went to judgment. Covington attorneys represent both petitioners and patent owners in inter partes review (IPR) and other PTAB trials, in all fields of technology, and regularly advise clients on combined litigation and PTAB strategies.

The practice is led by Andrea Reister in Washington and Peter Chen in Silicon Valley. Ms. Reister has successfully litigated over 100 PTAB proceedings for Covington clients, dating back to October 2012 when these proceedings first became available. Mr. Chen is a former Lead Administrative Patent Judge as well as a first-chair patent litigator with over three decades of trial experience. He presided over more than 200 PTAB proceedings while serving as a PTAB judge from 2013 to 2017 at the West Coast Regional Office of the PTO. They are joined by Dr. Scott Kamholz, another former Administrative Patent Judge who served at PTO headquarters in Alexandria, Virginia and handled over 120 PTAB proceedings, as well as many other experienced Patent Office litigators across Covington’s offices.

This unique combination of Patent Office and litigation talent, on both the East and West Coasts, puts Covington’s clients in position to successfully challenge and respond to IPR, Covered Business Method (CBM), and Post Grant Review (PGR) proceedings, while efficiently managing simultaneous litigation.