Atty. Ronald E. "Ron" Cahill
Ronald Cahill is well-respected for his work with clients of virtually all sizes to solve their most challenging intellectual property problems. His advice ranges from designing protection that maximizes the value of the client’s investment in research and development to applying that IP in court and in the marketplace, which allows clients to realize that value.
Profile Summary
About Ronald E. "Ron" Cahill at a glance
Ronald E. "Ron" Cahill is a patent, ip, and internet attorney based in Boston, Massachusetts, practicing at Barnes & Thornburg LLP. Educated at University of Pennsylvania (J.D., 1997). Recognitions include Best Lawyers in America — Litigation - Intellectual Property (2026), Best Lawyers in America — Litigation - Patent (2026), and Best Lawyers in America — Patent Law (2026). Serands clients in Boston, MA and the surrounding metropolitan area.
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About
- Ronald Cahill is well-respected for his work with clients of virtually all sizes to solve their most challenging intellectual property problems
- His advice ranges from designing protection that maximizes the value of the client’s investment in research and development to applying that IP in court and in the marketplace, which allows clients to realize that value
- With decades of courtroom experience, Ron has led trial teams in patent infringement cases around the country
- He also conducts inter partes reviews and other proceedings in the U.S
- Patent and Trademark Office to determine patent validity
- While much of Ron’s work involves presenting his clients’ cases to judges and juries around the country, many clients ask him to apply his experience to strategic planning within their business, especially with respect to their competitors or potential deal partners
- Clients appreciate Ron’s ability to assess complex intellectual property issues in terms they can apply to achieve their business goals
- Although opposing counsel recognize Ron’s determined resolve to try cases when necessary, he regularly earns praise for finding the levers that drive settlements so clients can move their businesses forward
- In addition to his patent work, which spans industries from medical devices to engineered biologics to engineering components, Ron represents clients seeking to protect their brands in areas such as consumer products, business-to-business sales, food and beverage, and restaurants
- He also has experience resolving trademark and trade dress disputes in federal courts, as well as in opposition and cancellation proceedings before the Trademark Trial and Appeal Board (TTAB)
- A leader in professional associations in his field, Ron has been active in formulating legislative proposals in the areas of attorney fee shifting and patentable subject matter
- He also speaks frequently on topics relating to building strategic intellectual property portfolios and using IP to enhance business value, and often has been quoted on IP issues in the business press
Practice Areas Explained
Ronald E. "Ron" Cahill's Areas of Practice
Each practice area below reflects the types of cases Ronald E. "Ron" Cahill handles, with a brief overview of what that area of law covers.
Ronald E. "Ron" Cahill is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Massachusetts →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Ronald E. "Ron" Cahill is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →
Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.
Ronald E. "Ron" Cahill is one of 17,958 internet attorneys indexed nationally. Browse internet attorneys in Massachusetts →
Jurisdictional Context
Why local counsel matters in Massachusetts
Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Massachusetts courts without local counsel or pro hac vice admission.
Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.
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