Atty. Ronald E. "Ron" Cahill

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.

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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.

Verified attorney profile · Updated June 2026

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.

Patent Law

Ronald E. "Ron" Cahill is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Massachusetts →

Intellectual Property

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 & Cyber Law

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.

Frequently Asked

Common questions about Ronald E. "Ron" Cahill

Where is Ronald E. "Ron" Cahill's law office located?
Ronald E. "Ron" Cahill's law practice is located in Boston, Massachusetts. The firm is Barnes & Thornburg LLP. You can contact the office directly through this profile page.
What practice areas does Ronald E. "Ron" Cahill handle?
Ronald E. "Ron" Cahill focuses on patent, ip, internet. Each practice area listed reflects experience handling cases of that type in Massachusetts.
Where did Ronald E. "Ron" Cahill go to law school?
Ronald E. "Ron" Cahill earned their education at (J.D., 1997).
How can I contact Ronald E. "Ron" Cahill for a consultation?
You can contact Ronald E. "Ron" Cahill directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Ronald E. "Ron" Cahill received?
Ronald E. "Ron" Cahill's notable recognition includes: Best Lawyers in America — Litigation - Intellectual Property; Best Lawyers in America — Litigation - Patent; Best Lawyers in America — Patent Law; Best Lawyers in America — Technology Law; Best Lawyers in America — Additional Areas of Practice:.

Education

J.D.
University of Pennsylvania
- 1997

Awards

Best Lawyers in America — Litigation - Intellectual Property
- 2026
Best Lawyers in America — Litigation - Patent
- 2026
Best Lawyers in America — Patent Law
- 2026
Best Lawyers in America — Technology Law
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Biotechnology and Life Sciences Practice
- 2026

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