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.

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Founded in 1976, Birch, Stewart, Kolasch & Birch is dedicated to obtaining and defending the IP rights of its clients, which receive a personalised, flexible and high-quality service. Its attorneys are highly knowledgeable and have expertise in a number of industry areas. MaryAnne Armstrong, for example, is a biochemistry PhD with over 25 years of IP experience. She excels in preparing and prosecuting vital patents for her patrons in the life sciences space. Joining her this year is Chad Billings, a former examiner at the USPTO. He focuses on electrical and mechanical technologies, and often lectures on US patent practice in Europe and Asia.

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