University of Pennsylvania Law School
JD, 1992

Tufts University
BA, 1988, magna cum laude



US District Court, District of Massachusetts

US Court of Appeals, First & Federal Circuits

US Supreme Court

Publications & Events

Eric Marandett to Oversee BPLA Mock Trials

Choate Honored for Excellence in Patent Law

Eleven Choate Attorneys Honored on "Who's Who" Legal List

Chambers USA 2017 Recognizes Choate Lawyers and Practices

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

Eric Marandett Named Litigation Trailblazer by The National Law Journal

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

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

Eric Marandett Featured in Law360 Q&A

Eric Marandett and Irina Oberman Khagi on the Ariosa Decision

Eric Marandett on The Biologics Price Competition and Innovation Act

Choate Has 52 Attorneys Selected for 2016 Best Lawyers in America

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

Choate's Intellectual Property Group Receives Top Rankings in Managing Intellectual Property's 2015 "IP Handbook"

Choate Receives Top Chambers USA Rankings for 10 Practice Areas and 27 Attorneys

Eric Marandett and Stephanie Schonewald on Inter Partes Review

Eric Marandett Speaks on Building a Better Biotech & Life Sciences Practice

Eric Marandett and Dan Winston Mentioned in Articles Related to Recent BIO IPCC Conference

Eric Marandett on IP Litigation Strategy

Choate Sponsors BIO IPCC Fall Conference 2014

Eric Marandett and Sophie Wang on Secondary Patents

Eric Marandett on Recent Decision That May Impact Drug Patents in Law360

Eric Marandett and Sophie Wang on Life Sciences Trade Secrets in Bloomberg BNA

Choate Sponsors BIO IPCC Fall Conference 2013

Choate’s Intellectual Property Group Receives Top “Tier 1” Ranking in Managing Intellectual Property’s 2013 “IP Handbook”

Choate's Intellectual Property Group Named to IAM Patent 1000

Eric Marandett Profiled in IP Law360

Choate Sponsors Pharmaceuticals & Biotechnology IP Forum

Choate Sponsors BIO IPCC Fall Conference 2012

2013 Best Lawyers in America

Eric Marandett and Margaret Ives on Avoiding Trade Secret Litigation

Choate’s Intellectual Property Group Named to IAM Patent 1000

Eric Marandett Speaks on Building Value in Biotech

Margaret Ives and Eric Marandett on Preempting Patent Litigation in Law360

Eric Marandett on Changes to the Law of Written Description in Managing Intellectual Property

2011 Top Massachusetts Super Lawyers

Choate Sponsors BIO IPCC Fall Conference

Eric Marandett Quoted on Recent Patent Reform Law

Eric Marandett Speaks on Intellectual Property Litigation Strategy

Eric Marandett on China's IP System

Choate Sponsors Half-Day Program at BIO IPCC Fall Conference, Eric Marandett and Brenda Jarrell Moderate

Eric Marandett Speaks on IP Protection for Drugs and Biologics

Eric Marandett Discusses Follow-On Biologics

Eric J. Marandett on Patent Infringement

Choate Sponsors BIO IPCC Fall Conference

Eric Marandett Speaks on Hatch-Waxman and the Patenting Process

Eric Marandett Speaks on Positioning Patents for Success at Trial

Eric Marandett and Mark Edgarton on The Preserve Access to Affordable Generics Act

Eric Marandett Speaks on IP Due Diligence

Eric Marandett Speaks About Quanta’s Impact on IP

Choate Sponsors BIO IP Counsels' Committee's Fall Conference

Eric Marandett on Steady Decrease of IP-Related Cases in Massachusetts

Eric Marandett Speaks on the Paragraph IV Notice Letter

Eric J. Marandett

Practice Group Leader

t 617-248-5287   f 617-248-4000

"very business-savvy and [clients’] first port of call for litigation"

Chambers USA

Eric Marandett represents biotech, pharmaceutical and technology companies in high stakes patent litigation and other intellectual property and commercial disputes.  Mr. Marandett’s approach to litigation combines a keen business savvy with the courtroom skills of a seasoned trial lawyer. In 2017, Mr. Marandett was named to Who's Who Legal's list of top patent attorneys and 2017 Boston "Lawyer of the Year' for Intellectual Property Litigation. He was named the 2015 Boston "Lawyer of the Year" for Patent Litigation by Best Lawyers, and was included in the Patent Expert Guide in 2015 and 2017, placing him among “the world’s leading practitioners” in patent law.  He is listed in the Massachusetts Super Lawyers Top 100 and is also listed in Chambers USA.  He has been listed in The Legal 500, and named a World’s Leading Patent Litigator by IAM 250, a World’s Leading Patent Practitioner by IAM Patent 1000 and an “IP Star” by Managing Intellectual Property.

Mr. Marandett co-chairs the firm’s Intellectual Property Litigation Practice Group. 

Practice Focus

Intellectual Property Litigation:  patent infringement (including Hatch-Waxman litigation), licensing disputes and other intellectual property litigation on behalf of major pharmaceutical and biotech companies and clients in the high tech industry.

Complex Commercial Litigation:  securities and antitrust litigation, unfair competition, theft of trade secrets, state and federal investigations of Medicare and Medicaid Fraud, anti-kickback and drug record keeping violations.

Intellectual Property Counseling & Due Diligence:  assessment of freedom to operate and patentability, valuation of intellectual property, Orange Book and other regulatory and strategic questions in connection with collaborations, acquisitions and joint ventures, particularly in the life sciences industries.

Representative Engagements

Patent Litigation

  • Lead Counsel to Momenta in patent infringement action relating to innovative methods of processing therapeutic polysaccharides.
    Momenta v. Amphastar et al.
  • Lead counsel for Wyeth (now Pfizer) in patent infringement litigation involving industry leading genetically engineered porcine circovirus vaccines.
    Wyeth v. Intervet, Inc and Boehringer Ingelheim Vetmedica, Inc, D Del
  • Lead counsel for Millennium in patent infringement action relating to combinatorial phage display libraries.
    Pieczenik v. Abbott Laboratories, et al., D NJ
  • Lead counsel for Wyeth in Hatch-Waxman patent action brought against Teva relating to prescription sleep aid marketed by King.
    King Pharmaceuticals and Wyeth v. Teva, D NJ
  • Counsel to Momenta in patent infringement action relating to innovative methods of processing therapeutic polysaccharides.
    Momenta Pharmaceuticals, Inc and Sandoz, Inc v. Teva Pharmaceuticals, Ltd, et al, D Mass
  • Lead counsel for Iovate in patent infringement action relating to novel nutritional supplements.
    Iovate Health Sciences v. Allmax Nutrition, D Mass
  • Lead counsel for Cypress and Hawthorn in patent infringement relating to cough and cold medicine.
    Tiber Laboratories, LLC v. Hawthorn Pharmaceuticals, Inc, D Northern District of Georgia
    Tiber Laboratories, LLC v. Cypress Pharmaceuticals, Inc, Southern District of Mississippi Jackson Division
  • Counsel to Eisai, Inc and Eisai Research Institute of Boston, Inc (collectively “Eisai”), one of 11 major pharmaceutical companies sued for infringement of four patents to certain cell-based screening assays.
    Housey Pharmaceuticals, Inc v. Abbott Pharmaceutical Corp, D Del Counsel for Eisai Co, Ltd
  • Obtained judgment on appeal reversing $34 million verdict against Powerscreen.
    The Read Corporation, et al v. Powerscreen International, PLC, et al, D Mass
  • Lead counsel for Sapidyne in patent infringement action involving antibody affinity assays.
    Sapidyne Instruments, Inc v. Gyros US, Inc, D Mass
  • Counsel for Genetics Institute in patent infringement and breach of contract litigation relating to the development of recombinant Factor VIII.
    Genetics Institute v. Baxter International, Inc, D Mass
  • Along with co-counsel, represented defendants TKT and HMR in patent infringement litigation brought by Amgen to prevent TKT from commercializing its patented gene-activated erythropoeitin product.
    Amgen, Inc v. Hoechst Marion Roussel, Inc and Transkaryotic Therapies, Inc, D Mass
  • Along with co-counsel, represented Berlex Laboratories in patent infringement litigation involving recombinant beta interferon for treatment of multiple sclerosis.
    Biogen v. Berlex Laboratories, D Mass

Other Intellectual Property and Commercial Litigation

  • Lead counsel to Celgene in breach of contract litigation regarding exclusive license agreement related to Revlimid and Pomalyst.
    Children’s Medical Center Corporation v. Celgene Corporation, D Mass
  • Counsel to Shionogi Pharmaceuticals in contract action related to manufacturing and marketing of Fenoglide.
    HCRP v. Shionogi Pharmaceuticals, NY Ct
  • Counsel to Alnylam Pharmaceuticals in trade secret misappropriation lawsuit brought against Dicerna Pharmaceuticals.
    Alnylam Pharmaceuticals, Inc. vs. Dicerna Pharmaceuticals, Inc.
  • Counsel to AlCana in trade secret litigation brought against AlCana and its research collaboration partner Alnylam Pharmaceuticals by Tekmira Pharmaceuticals Corp.  Technology at issue involves novel lipid nanoparticals used as drug delivery vehicle for Alnylam’s short interfering RNA therapeutics. 
    Tekmira v. Alnylam & AlCana
  • Represent Adimab in patent interference dispute with Dyax Corp. relating to antibody display.
    Adimab, LLC v. Dyax Corp.
  • Lead counsel for Wyeth in breach of contract dispute relating to Celera’s genomics database products.
    Applera Corp., d/b/a Celera Genomics Group v. Wyeth, Montgomery County Maryland Circuit Court
  • Counsel to Astellas Pharma in breach of contract and unfair competition litigation relating to drug formulation collaboration.
    Alamo Pharmaceuticals v. Astellas Pharma Inc, Central D of CA
  • One of three partners representing Genetics Institute in contract dispute relating to the manufacture of recombinant Factor VIII for treatment of hemophilia A.
    Baxter HealthCare, Inc v. Genetics Institute, Inc, Delaware Chancery Court
  • Counsel to KiOR in breach of contract and misappropriation of trade secrets litigation involving biomass catalytic conversion technology.
    KiOR, Inc v. George Huber, et al., D Mass

Publications and Presentations

Professional and Community Involvement

Mr. Marandett is a member of the American Bar Association Intellectual Property and Litigation sections, the American Intellectual Property Law Association, the Boston Bar Association and the Massachusetts Bar Association.  In addition, he is counselor of the Boston IP Inn of Courts.  Mr. Marandett is also active in the Dana Farber Leadership Council.  He is a past member of the firm’s Executive Committee.


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