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Sunstein Recognized for “World-Class” Patent Litigation and Prosecution by IAM Patent 1000

Sunstein LLP is delighted to share that the firm has once again been named a “Recommended Firm” for patent prosecution in the IAM Patent 1000: The World’s Leading Patent Professionals. Additionally, Sunstein Founder Bruce D. Sunstein and Patent Practice Group Chair John W. Powell are recognized as “Recommended” patent prosecution practitioners, while Robert M. Asher received a bronze ranking for patent litigation within the 2023 guide.

The IAM Patent 1000 is commonly regarded as the definitive “go-to” resource for those seeking to identify world-class, private practice patent expertise and leading expert witnesses. The IAM Patent 1000 identifies the top patent firms and individuals across multiple jurisdictions around the globe annually.

According to the 2023 IAM Patent 1000:

Companies of all sizes can turn to Sunstein for high-quality patent prosecution and enforcement services. The team focuses on the commercial goals of its clients and creates tailored strategies to help them achieve these objectives.”
The guide continues by stating, “The life sciences field is one of the group’s main areas of expertise, which continues to grow under the stewardship of Bruce D. Sunstein, who recently celebrated 50 years in the law. He has a diverse practice that covers prosecution and enforcement, in addition to his work as an arbitrator and expert witness. Also recommended are Robert M. Asher and John W. Powell … Asher is a seasoned advocate before the PTAB, district courts and federal courts. Powell is an expert portfolio manager and transactional lawyer, who understands the needs of in-house counsel…”


“We are honored to be recognized by the IAM Patent 1000,” said Partner and Patent Practice Chair John W. Powell. “As a boutique firm, we are proud to have four partners named to the list. We love what we do, we appreciate our clients, and being acknowledged for that is wonderful.”

As Chair of Sunstein’s Patent Practice Group, John W. Powell focuses on patent portfolio management and strategy, patent prosecution, and IP transactional work, including drafting and negotiating IP licensing and development agreements and other commercial agreements that have an IP component. He leverages his extensive tech experience for clients, having served in-house for nearly two decades as Vice President and General Counsel of American Superconductor Corporation and as in-house counsel at companies like Raytheon and Motorola.

Bruce D. Sunstein founded Sunstein LLP more than 40 years ago, and his strategic approach to intellectual property has enabled a wide range of enterprises to achieve dominant patent positions in their markets. He is a patent and IP strategist for market leaders and startups in diverse industries, including computer hardware and software, electronic circuits and systems, communications and speech, medical devices, pharmaceuticals bioinformatics, and mechanical devices. He is also an experienced expert witness and arbitrator in IP disputes.

Robert M. Asher leverages his deep experience in patent litigation and patent prosecution. He is an astute and accomplished advocate for inventors and businesses affected by patents, and has been sought out for his work in defending valuable patents challenged in inter partes review and rexamination while patents were being asserted in patent infringement litigation.

To compile the annual IAM Patent 1000, IAM’s team conducts extensive qualitative research examining factors such as depth of knowledge, market presence, and level of work as well as considering positive peer and client feedback. Complete details of IAM’s methodology can be found here.

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