USA Guide 2026 : New York
Ranked Individuals
Provided by Chambers
Ballard Spahr is frequently called upon by major life sciences companies seeking critical patent advice. The group has broad expertise spanning both contentious and non-contentious IP matters, ranging from prosecution and portfolio management to complex infringement disputes.
Provided by Chambers
Ballard Spahr continued to represent Pharma Mar on U.S. patent prosecution and counselling matters.
Provided by Chambers
Ballard Spahr’s litigation team distinguishes itself through a combination of strategic precision, responsiveness and deep subject-matter expertise
One of the team's strengths is its in-depth knowledge of the technical field and also its intelligent, strategic and creative thinking.
The firm has hands-on partners, who are responsive and creative without introducing risk.
The team gives extremely comprehensive, well-thought-through advice. The group also does everything in prosecution to prepare and put clients in best the position for litigation.
Ballard Spahr has a lot of experience and is able to provide deep analysis on many types of patent related diligence issues.
Provided by Chambers
Margaret Brivanlou is an experienced patent practitioner with broad expertise encompassing patent licensing, portfolio management and transactional due diligence. Her expertise spans the biotech and pharmaceutical industries.
She is helpful, considerate and knows the right questions to ask.
Margaret is easy to work with and has deep understanding of many topics.
Margaret is a subject matter expert on the licensing of IP.
Kenneth Sonnenfeld counsels clients on patent prosecution, due diligence in relation to transactions and appeals before the USPTO on patent applications. He offers experience in the healthcare sector.
Ken clearly understands the company's commercial needs and most important goals for the client.
His highly sophisticated strategic thinking and his in-depth technical knowledge are invaluable.
Kenneth offers detailed patent analysis on complex life science patent portfolios.
Intellectual Property: Patent
Intellectual Property: Patent: Transactional
USA 2026
Practice area: Intellectual Property
Location: Pennsylvania
View department profile for USA 2026
Chambers is the leading data and intelligence partner for the legal sector.
