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Philip  L.  Hirschhorn

Philip L. Hirschhorn


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Philip L. Hirschhorn focuses his practice on patent litigation and counseling. He prides himself on working with clients to understand their businesses thoroughly, including the ways in which intellectual property litigation affects their business objectives. Clients can rest assured that Phil will go the extra mile, both on his own and as part of a team, to help clients solve their legal challenges.

Phil’s extensive experience, spanning more than 30 years, includes bench trials, jury trials, and arbitrations. He has represented clients in traditional infringement/validity litigations as well as Hatch-Waxman (Paragraph IV) litigations.  Phil also has experience handling copyright, trademark/trade dress, and trade secret litigation. Phil advises clients on commercial patent licensing agreements.  The subject matter of these engagements is diverse, including chemical, pharmaceutical, consumer products, medical devices, graphics, visualization technologies, apparel, and radiotherapy software and devices.

In addition to his patent litigation experience, Phil counsels clients on the interplay between the Read more...

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