Atty. Ronald I. Eisenstein

Atty. Ronald I. Eisenstein

Ronald Eisenstein focuses his practice on advising biotechnology and pharmaceutical companies, research institutes, and universities on patent portfolio management, post-issuance strategies, dispute management and due diligence. He is also a member of the firm’s Life Sciences team.

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Profile Summary

About Ronald I. Eisenstein at a glance

Ronald I. Eisenstein is a ip attorney based in Boston, Massachusetts, practicing at Nixon Peabody LLP. Admitted to practice in District of Columbia, The District of Columbia Bar, New York, New York State Bar Association, and Massachusetts, Massachusetts Bar Association. Educated at Georgetown University (J.D.) and Cornell University (B.S.). Recognitions include Best Lawyers in America — Biotechnology and Life Sciences Practice (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 Eisenstein focuses his practice on advising biotechnology and pharmaceutical companies, research institutes, and universities on patent portfolio management, post-issuance strategies, dispute management and due diligence
  • He is also a member of the firm’s Life Sciences team
  • My focusI focus my practice on helping clients devise and execute strategies for managing their patent portfolios as well as navigate the changing patent landscape
  • I leverage my scientific background, extensive legal experience and business acumen to strategically counsel clients on upcoming legal and business trends
  • Key areas of concentration for me include: immune modulation including antibodies
  • gene therapy
  • cancer vaccines
  • angiogenesis modulation
  • personalized medicine, including diagnostics, proteomics, biomarkers, companion diagnostics and related systems
  • synthetic biology
  • small molecules
  • magnetic resonance imaging
  • and primate lentiviruses
  • Patent StrategiesI’ve worked with many clients to develop and implement a wide variety of patent strategies including strategic patent procurement, portfolio development, competitive intelligence and analysis, licensing and enforcement of the patents
  • I also counsel clients on alternative dispute resolution tactics and manage such approaches, especially when the outcome aligns with a company’s business objectives
  • Patent ProsecutionI focus on prosecution of biotechnology, medical and chemical cases and emphasize strategic management of my clients’ intellectual property portfolios
  • Post-IssuanceI help clients understand, and effectively use post-issuance procedures such as oppositions, interferences and inter partes reviews-both offensively and defensively
  • In addition, I provide freedom-to-operate guidance to clients as well as due diligence for acquisitions and financing

Practice Areas Explained

Ronald I. Eisenstein's Areas of Practice

Each practice area below reflects the types of cases Ronald I. Eisenstein handles, with a brief overview of what that area of law covers.

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Ronald I. Eisenstein is one of 106,079 ip attorneys indexed nationally. Browse ip 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 I. Eisenstein

Where is Ronald I. Eisenstein's law office located?
Ronald I. Eisenstein's law practice is located in Boston, Massachusetts. The firm is Nixon Peabody LLP. You can contact the office directly through this profile page.
What practice areas does Ronald I. Eisenstein handle?
Ronald I. Eisenstein focuses on ip. Each practice area listed reflects experience handling cases of that type in Massachusetts.
Where did Ronald I. Eisenstein go to law school?
Ronald I. Eisenstein earned their education at (J.D.); (B.S.).
How can I contact Ronald I. Eisenstein for a consultation?
You can contact Ronald I. Eisenstein 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 I. Eisenstein received?
Ronald I. Eisenstein's notable recognition includes: Best Lawyers in America — Biotechnology and Life Sciences Practice; Best Lawyers in America — Patent Law.

Education

J.D.
Georgetown University
- In Progress
B.S.
Cornell University
- In Progress

Awards

Best Lawyers in America — Biotechnology and Life Sciences Practice
- 2026
Best Lawyers in America — Patent Law
- 2026

Bar Admissions

District of Columbia, The District of Columbia Bar
New York, New York State Bar Association
Massachusetts, Massachusetts Bar Association

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