Birch, Stewart, Kolasch & Birch, LLP

IAM Research

The Patent 1000 focuses exclusively on patent practice and has firmly established itself as the definitive 'go-to' resource for those seeking world-class legal patent expertise.

Recommended - Firms: prosecution

Birch, Stewart, Kolasch & Birch dispenses the full suite of patent services, but is best known for its proficiency in prosecution. The boutique has prepared, filed and successfully registered a dizzying number of patents over the past 45 years, giving it vast institutional knowledge of USPTO practice. Adept in all kinds of post-grant proceedings as well as litigation, it protects clients through thick and thin. For a key contact, look to biochemistry PhD MaryAnne Armstrong, who anchors the life sciences practice. She was recently appointed to the EPO’s Standing Advisory Committee, which is testament to her eminent international standing.

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