In the recent decision Ex parte Chamberlain, Appeal 22-1944 (Xencor), the United States Patent and Trademark Office’s new Appeals Review Panel provided clarity regarding its stance on means-plus-function claims. Its decision...more
As of 2020, post grant proceedings have been in use for eight years. Designed as an alternative to district court litigation post grant proceedings have offered litigants a faster and more cost effective forum for resolving...more
The Patent Trial and Appeal Board recently designated two decisions as precedential and a third as informative in cases where the PTAB considered whether to exercise 35 USC § 325(d) discretion to deny petitions where the same...more
As of 2019, post-grant proceedings have been in use for seven years. Designed as an alternative to district court litigation, post-grant proceedings have offered litigants a faster and more cost-effective forum for resolving...more
The US Court of Appeals for the Federal Circuit recently held that the statutory scheme governing the administrative patent judges of the Patent Trial and Appeal Board is in violation of the Appointments Clause of the US...more
A panel of the US Patent Trial and Appeal Board has identified “limited circumstances” in which a patent challenger can join its own inter partes review petition to add new issues. Parties seeking to join their own petitions...more