The America Invents Act has ushered in a variety of new ways to challenge patents at the U.S. Patent and Trademark Office. Learn More

Learn about inter partes review (IPR), covered business method review (CBM), post-grant review (PGR), reexaminations, derivation proceedings, and interferences. Learn More

Most recent patent office litigation statistics regarding volume and timing from the USPTO from 2007-2013. Learn More

Concise definitions and discussions of important patent office litigation concepts and terminology. Learn More

View All Essentials

Quick Stat

193

Total Number of requests for Covered Business Method patent review filed as of July 25, 2014

Learn More

1542

Total number of requests for Inter Partes Review filed as of July 25, 2014

Learn More

Featured News

Patent Office Litigation - Order Your Copy Today

A key publication for patent owners, litigators, and IP professionals operating in today’s global economy, Patent Office Litigation is a two-volume set focused on the new contested proceedings under the America Invents Act. This book examines how the proceedings interact with other aspects of patent procurement and enforcement, and delivers practical analysis and advice. To order your copy of Patent Office Litigation today, click here.

Learn More

Hot Topics

Protective Orders

The interplay between the duty of disclosure in a reexamination proceeding and a protective order in a concurrent litigation is a critical issue.

Learn More

Reexamination News & Events

Subscribe

View All News & Events

Jul 25, 2014

PTO Litigation Center Report – July 25, 2014

Listed below are all new filings before PTAB of requests for inter partes review (IPR) and covered business methods review (CBM).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

Learn More

Jul 24, 2014

PTO Litigation Center Report – July 24, 2014

Listed below are all new filings before PTAB of requests for inter partes review (IPR) and covered business methods review (CBM).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

Learn More

Jul 23, 2014

PTO Litigation Center Report – July 23, 2014

Listed below are all new filings before PTAB of requests for inter partes review (IPR) and covered business methods review (CBM).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

Learn More