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Donald H. Heckenberg, Jr.

Venable LLP

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Claim amendments in post-grant trials, a difficult, but not insurmountable, battle

USA - May 30 2014 The Patent Trial and Appeal Board (PTAB) has now released several dozen final decisions in its trials for inter partes and covered business methods...


The limited ability of a patent owner to amend claims and present new claims in post-grant and inter partes reviews

USA - May 4 2012 The Leahy-Smith America Invents Act (AIA) includes two new post-grant proceedings for challenging the validity of a patent: post-grant review and inter partes review....


The scope and ramifications of the new post-grant and inter partes review proceedings at the USPTO

USA - December 21 2011 The Leahy-Smith America Invents Act (AIA) makes numerous changes to U.S. patent law....


The broadest reasonable interpretation of claims in reexamination: a standard making it easier to invalidate patent claims

USA - November 5 2010 Patent reexamination by the U.S. Patent & Trademark Office is increasingly being turned to by those wishing to challenge the validity of a patent....


The changing attitudes toward inter partes reexamination

USA - June 8 2010 One of the more striking developments in patent law is the dramatic increase in the use of inter partes reexaminations to cancel the claims of a patent....