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

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555

Total Number of petitions for Covered Business Method review filed as of July 20, 2018

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8151

Total Number of petitions for Inter Partes review filed as of July 20, 2018

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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.

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Reexamination Pendency

Reexamination pendency is an important factor weighed by the courts when deciding whether to stay concurrent litigation.

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Jul 20, 2018

PTO Litigation Report – July 20, 2018

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

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Jul 19, 2018

PTO Litigation Report – July 19, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

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Jul 18, 2018

PTO Litigation Report – July 18, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

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Jul 17, 2018

PTO Litigation Report – July 17, 2018

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

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Jul 16, 2018

PTO Litigation Report – July 16, 2018

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

Learn More

Jul 12, 2018

PTO Litigation Report – July 12, 2018

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

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Jul 11, 2018

PTO Litigation Report – July 11, 2018

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

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Jul 10, 2018

PTO Litigation Report – July 10, 2018

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

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Jul 9, 2018

PTO Litigation Report – July 9, 2018

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

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Jul 6, 2018

PTO Litigation Report – July 6, 2018

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

Learn More