Turhan Sarwar

Turhan Sarwar assists the firm in the areas of patent, trademark, and copyright litigation.

Recent Posts

Don’t Regift Prior Art (or Arguments) to the PTAB

Posted by Turhan Sarwar on Nov 17, 2017

Turhan Sarwar

When challenging a patent through IPR, petitioners may be tempted to offer an improved version of an argument that had been offered by the examiner during prosecution, using similar prior art but shoring up potential shortcomings of what came before. However, three decisions that the Board recently designated as “informative” illustrate that a petitioner that isn’t careful when reusing arguments may not be successful.

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Topics: Prior Art

Is It a Printed Publication? It Depends…

Posted by Turhan Sarwar on Sep 11, 2015

Turhan Sarwar

Last week, we discussed a recent IPR decision in which the Board—at the institution stage—was unpersuaded by copyright notices and evidence from the “Wayback Machinesuggesting dates of publication. Today we look at another recent decision, in IPR2014-01086, in which the Board was notably more forgiving regarding the public availability issue—at the final decision stage.

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Topics: Petitioners, Patent Owners, Printed Publications

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This blog is intended to promote thought and debate on developing areas of the law. The opinions, commentary and characterizations of cases provided on this blog are not legal advice and do not represent the opinions of Wolf Greenfield or its clients.