Intellectual Property

Brenda Jarrell, Charles Lyon,
Paul Pysher, Bill Haulbrook

Blue Chip Clients

Lawyers have represented blue chip clients, including:


3D Matrix



Akamai Technologies

Alethia Biotherapeutics

Allertein Therapeutics


Boston University

Brigham & Women's Hospital


Citrix Systems



Cornell University

Eisai Co.

Firefly Bioworks

Genocea Biosciences


Harvard University


Hollingsworth & Vose


Intezyne Technologies

Karyopharm Therapeutics


Mass General Hospital

Mass Institute of Technology

Memorial Sloan-Kettering

Merz USA

Millennium Pharmaceuticals

Molnlycke Health Care

Momenta Pharmaceuticals


Parametric Technology



Regeneron Pharmaceuticals

Sanofi Pasteur

Satori Pharma


Siemens Healthcare



Tarix Pharmaceuticals


Trinity Biotech

Tufts University

Valeant Pharmaceuticals

VBI Vaccines

VisEn Medical

Vive Crop Protection

Scientific & Strategic Expertise

Team of IP attorneys, patent agents and staff scientists, expert in all major fields, including:


Advanced materials
Chemical sensors
Computer graphics
Data storage
Drug delivery
Industrial chemistry
Medical devices
Medical imaging
Open source
Petrochemical processing

Publications & Events

Dr. Brenda Herschbach Jarrell Named 2017 Attorney of the Year by LMG Life Sciences

Dr. Brenda Herschbach Jarrell Named 2017 Attorney of the Year by LMG Life Sciences

Choate Partners Named Top “Women in Business Law”

Choate Partners Honored as "Top 250 Women in IP" by Managing Intellectual Property

Karen Copenhaver to Deliver Keynote Address at i2b2 tranSMART Foundation 2017 Symposium

Chambers USA 2017 Recognizes Choate Lawyers and Practices

Choate Promotes Four to Counsel

Choate’s Dr. Brenda Jarrell and Eric Marandett Included in Patent Expert Guide 2017

John Rearick Participates in a Career Series Panel at Harvard

Brian Reese and Nishat Shaikh on Genetic Engineering

Windjammer Capital Investors Acquires Advanced Instruments LLC

Karen Copenhaver Speaks on Data as Intellectual Property

Dr. Brenda Herschbach Jarrell Named 2016 “Attorney of the Year - Patent Strategy & Management - Massachusetts” by LMG Life Sciences

Brian Reese Speaks at the 14th Annual International Conference for Public Health and Emerging Microbial Threats

Daniel Winston and Irina Oberman Khagi on the Defend Trade Secrets Act of 2016

Choate Named to IAM Patent 1000: The World’s Leading Patent Professionals for IP Prosecution, Transactions, and Litigation

Choate Receives Top Chambers USA Rankings for 10 Practice Areas and 30 Attorneys

Choate Partners Dr. Brenda Jarrell and Dr. Charles Lyon Named “Intellectual Property Trailblazers” by The National Law Journal

Six Intellectual Property Attorneys at Choate Named "IP Stars" for 2016 by Managing Intellectual Property

Paul Popeo Speaks at The IP Strategy Summit Boston

Choate's Intellectual Property Group Receives Top Rankings from Managing Intellectual Property

Paul A. Pysher Joins Choate as a Partner in its Intellectual Property Group

Eric Marandett, Michael Bunis and Greta Fails on Growing Trade Secret Concerns

Brenda Jarrell, PhD on 2015 Key Patent Cases

Choate Sponsors BIO IPCC Fall Conference 2015

2015 Massachusetts Super Lawyers

Eric Marandett and Irina Oberman Khagi on the Ariosa Decision

Choate Receives 32 Tier 1 Rankings in US News & World Report’s 2016 “Best Law Firms” Report

  • Choate named to IAM Patent 1000: The World’s Leading Patent Professionals for IP Prosecution, Transactions, and Litigation. Read more...

  • Dr. Brenda Jarrell and Dr. Charles Lyon were recently named "IP Trailblazers" by The National Law Journal. Read more...

  • Choate received top national rankings in bio/life sciences, patent prosecution, and patent litigation from Managing Intellectual PropertyRead more...

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    Over one-third of equity partners and majority of practice areas recognized for excellence.

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    Choate helps Tufts University craft its intellectual property portfolio around its revolutionary optics, photonics, and high technology products based on silk.  

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    Choate counsels multiple companies focused on engineering microbial cells to produce chemical compounds of interest, and the firm has secured for such companies the issued patents to engineered strains.

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    Choate served as counsel to Japanese pharmaceutical company Eisai Research Institute with respect to intellectual property relating to targeted drug and diagnostic delivery after Eisai’s purchase of Choate’s former client Transmolecular, Inc., a neuroscience biotechnology company.

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    Choate represented privately held oncology-focused pharmaceutical company Tesaro, Inc. in its acquisition of an oncology supportive care product from OPKO Health, Inc., a publicly traded healthcare company involved in the discovery, development and commercialization of pharmaceutical products.


Intellectual Property

"the most focused and attentive patent group in the region"    

IAM Patent 1000

Experts in IP

Expert representation of leading companies and research institutions in all aspects of intellectual property strategy, including protection, commercialization and enforcement.

Full Range of IP Services 

Full range of IP services, including patent prosecution; trademark prosecution; copyright protection; and trade secrets and unfair competition counseling.  One of first major Boston firms to establish patent group.  IP due diligence for investors and acquirers. Decades of litigation experience representing technology and life sciences companies in IP disputes.  

National Recognition

Recognized among the world’s leading patent practitioners for Prosecution and Transactions in the IAM Patent 1000.  Ranked as patent strategy and management team of the year by LMG Life Sciences, a top Tier 1, “highly recommended” firm for Intellectual Property in Massachusetts, as well as a top firm nationally for Patent Prosecution, Patent Contentious and Bio Life Sciences, by Managing Intellectual Property.

World Class Transactional & Licensing Capability

Among most experienced and knowledgeable technology transaction and licensing lawyers in the US in all areas.

Industry Experts

Lawyers have extensive industry experience, and provide wise and practical counsel on business risks and opportunities unique to relevant sectors, including strategic advice on positiong intellectual property assets relative to those of other industry players.

National/International Reach

Technology and life sciences company transactions in almost all 50 states and many foreign countries, especially in Europe, Asia and the Middle East.  Preeminent US – Canada cross-border practice.


Thank you for reaching out to contact Choate. Before you send your message, we wanted to make sure you are aware of the following. Please do not send any confidential information in response to this link. Sending an e-mail to Choate does not give rise to an attorney-client relationship, and will not be deemed to disqualify Choate from undertaking any engagement for a current or future client.  Before any attorney-client engagement may be formed, Choate will need to check for possible conflicts of interest, you will need to consider whether you wish to retain Choate as counsel, and we will need to consider whether we wish to accept the potential engagement. In the meantime, Choate reserves the right to represent parties with interests adverse to you.