Grounds for invalidating a patent

Atlanta-based partner John Haynes is lead counsel in cases involving cellular infrastructure equipment.These include four district court actions representing Nokia Solutions and Networks in patent infringement actions brought by Huawei Technologies against T-Mobile.Although the Washington, DC-based firm has long-standing connections to power centers within the nation's capitol, Arent Fox's offices in New York and California give the IP group a truly coast-to-coast presence.In San Francisco, Arthur Beeman heads the firm's complex litigation and IP practices for Northern California.

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Washington, DC-based star Anthony Lupo heads the fashion, luxury goods, and retail practice.

He is also lead counsel in four related patent infringement suits brought by Nokia Solutions and Networks against Huawei.

Thirty-five-year veteran Mike Mc Coy offers counseling, litigation support, and IP licensing to clients from the firm's Charlotte office.

Both partners have played lead roles representing long-time client Pfizer in high-stakes Abbreviated New Drug Application (ANDA) litigation.

In ANDA litigation and review (IPR) proceedings brought by Kyle Bass, Stiefel recently represented Acorda Therapeutics.

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