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Patrick Concannon, Nutter McClennen & Fish LLP Photo

Patrick J. Concannon

Co-Chair, Trademarks and Brands / Boston

Overview

Patrick J. Concannon is a partner in Nutter's Intellectual Property and Corporate and Transactions Departments. Pat also co-chairs Nutter’s Trademarks and Brands practice. His practice focuses on intellectual property disputes and on commercial agreement work focused on exploiting intellectual property and protecting and leveraging data.

A trusted business adviser to companies looking to expand, Pat helps companies of all sizes protect their brands. He advises clients on how to leverage their proprietary technology via commercial agreements, and counsels companies about protecting and lawfully collecting, using and disclosing data.

Pat represents companies in trademark and copyright dispute proceedings in court and before administrative agencies, in domain name arbitration proceedings and in negotiating settlement agreements in these areas. Pat has extensive experience in trademark clearance, which is derived in part from his pre-law background work with a leading trademark research firm. Pat brings a global perspective to brand protection and portfolio management that is informed by his having worked at his prior firm’s London office.

His privacy and data protection practice focuses on website and electronic commerce counseling, compliance counseling and agreement work. Pat’s brand/content protection experience and capabilities and his commercial negotiation skills uniquely position him to provide cross-disciplinary legal services, particularly to companies that have an interactive web presence.

Pat co-chairs the Boston Intellectual Property Law Association Trademark and Unfair Competition Law Committee. Pat also is a member of the Boston Bar Association, the American Bar Association, the Copyright Society of the U.S.A., and the International Trademark Association’s (INTA) Copyright Committee. He has served on a number of INTA committees over the years. Pat also taught a Trademark Practice course at Suffolk Law.

Experience

Experience

  • ALM Works, Inc.

    Nutter served as legal counsel to ALM Works, Inc., the developer of software products to empower project managers around the world with visibility and control, in connection with its acquisition by Tempo Software, a leading provider in team time management and productivity-enhancing solutions.

  • Agilyx

    Nutter served as legal counsel to Agilyx Corporation and its parent company Agilyx AS (Euronext Growth Oslo: AGLX), a leader in advanced recycling of post-use plastics, in its joint venture with ExxonMobil Chemical Corporation (NYSE: XOM), the world’s largest publicly traded international oil and gas company, to form Cyclyx International, LLC. 

  • Ce3, Inc.

    Nutter served as legal counsel to Ce3, Inc., a full-service CRO focused on providing early phase oncology clinical development services to the biotechnology industry, in connection with its acquisition by Catalyst Clinical Research, a clinical development organization providing highly customizable clinical research solutions to the global biopharmaceutical industry.

  • Strategic Cyber LLC

    Nutter advised Strategic Cyber LLC in connection with its acquisition by HelpSystems, a Minnesota-based IT software company.

  • Innovation Associates

    Nutter served as legal counsel to Innovation Associates, the market-leading provider of high-volume pharmacy automation technology and software solutions to the retail, hospital, government, and mail order pharmacy markets, in connection with a consortium of investors led by Greg Wasson, the former Walgreens Boots Alliance CEO, acquiring a majority stake to scale the business and enhance its pharmacy automation offerings.

  • Cali’flour Foods

    Nutter advised Cali’flour Foods, the developer and manufacturer of low-carb, gluten-free cauliflower products, in a Series A financing round led by Sunrise Strategic Partners, with participation from CircleUp Growth Partners.

  • Brighton Marine

    Nutter advised Brighton Marine on all aspects of the development of The Residences at Brighton Marine, a $46 million project that created 102 units of affordable housing in Boston with a preference for veterans. Nutter provided counsel on all aspects of the project, including the original strategic planning, the permitting, the formation of the joint venture with WinnCompanies, the ground lease to the joint venture, and the financing.

  • AppwoRx LLC

    Nutter served as legal counsel to AppwoRx LLC, a Boston-based medical technology manufacturer, in connection with its acquisition by PatientNOW, a private equity-backed computer software company headquartered in Englewood, CO.

  • Baril Corporation

    Nutter served as legal counsel to Baril Corporation, a leading medical specialty manufacturer of infection prevention, wound care, clinical chemistry, patient monitoring, and medical and surgical consumable products, in its acquisition by TEAM Technologies, Inc., a leading North American healthcare specialty manufacturer focused on oral and dental care and medical end markets. 

  • Complete Health Economics Outcomes Research Solutions (“CHEORS”)

    Nutter advised Complete Health Economics Outcomes Research Solutions (“CHEORS”), a leading provider of health economics and outcomes research (HEOR) and market access services across the pharmaceutical, biotechnology, and medical device industries, in connection with its acquisition by PharmAlliance, a diversified pharmaceutical and life sciences services platform.

  • Copley Equity Partners

    Nutter served as legal counsel to Copley Equity Partners, a Boston-based private investment firm, in its investment to recapitalize, and facilitate the merger of, Aethon Aerial Solutions and Flight Evolved.

  • CRIO

    Nutter served as legal counsel to CRIO, Inc., a leading provider of eSource and other eClinical technologies, in a significant investment from The Riverside Company, a global growth oriented private equity firm.

  • Dragonfly Group Inc.

    Nutter served as legal counsel to Dragonfly Group Inc., a technology-enabled platform acquiring and scaling standout e-commerce brands, in a significant, proprietary investment from the Flagship Buyout Fund of L Catterton, the largest global consumer-focused private equity firm.

  • Eastern Bankshares, Inc.

    Nutter is serving as legal counsel to Eastern Bankshares, Inc. (NASDAQ Global Select Market: EBC), the stock holding company for Eastern Bank, in connection with its definitive merger agreement with Cambridge Bancorp (NASDAQ: CATC), the parent company of Cambridge Trust Company, pursuant to which Cambridge will merge with and into Eastern in an all-stock transaction valued at approximately $528 million. Simultaneously, Nutter is also representing Eastern Insurance Group, LLC, a wholly owned subsidiary of Eastern, in its definitive agreement to sell its insurance operations to Arthur J. Gallagher & Co. (NYSE: AJG) for approximately $510 million in cash.

  • Eastprint Incorporated

    Nutter served as legal counsel to Eastprint Incorporated, a printed electronics solutions provider, in connection with its acquisition by East West Manufacturing, LLC, an integrated design, engineering, manufacturing, and distribution services partner for original equipment manufacturers and distributors throughout North America and Europe.

  • Fleet

    Nutter advised G.A. Fleet Associates and Fleet Pump (together, Fleet) in connection with its acquisition by Vessco Water (Vessco), a portfolio company of Gryphon Investors and one of the largest full-service water treatment equipment distributors in the nation. 

  • German Information Services Company

    Nutter advised a German information services company about risk factors associated with making automated use of third-party technical content in databases for purposes of enabling call center support.

  • Invoke Solutions, Inc.

    Nutter served as legal counsel to Invoke Solutions, Inc., a research and content testing platform that serves many of the world's top video streaming services and broadcasters, in connection with its acquisition by MarketCast LLC.

  • LifeYield

    Nutter advised LifeYield, a Boston-based, tax-smart technology provider, in connection with its acquisition by SEI® (NASDAQ: SEIC).

  • Magellan Jets

    Nutter served as legal counsel to Magellan Jets, LLC, a private aviation solutions provider, in its acquisition of Stellar Labs, Inc.

  • National Women’s Hockey League

    Nutter represented the NWHL in connection with its preparation of the NWHL 2021 Season in Lake Placid, including securing a broadcast agreement with NBC Sports Network and a venue agreement for the event with the Herb Brooks Arena. Nutter also represented the NWHL in connection with its reorganization to an unincorporated association and new governance model, resulting in the original six NWHL member clubs being subject to the terms of the NWHL Constitution and Bylaws with each of the member clubs being represented on the NWHL Board of Governors.  

  • OpenClinica

    Nutter served as legal counsel to OpenClinica, an industry-leading clinical research solutions provider based in Waltham, MA, in connection with a strategic investment with Thompson Street Capital Partners.

  • REAL Software Systems

    Nutter served as legal counsel to REAL Software Systems in connection with its acquisition by Rightsline, the leading rights and finance management platform for the media and entertainment industry.

  • SaaS Platform and Mobile Application Company

    Nutter drafted a user agreement for a SaaS platform and accompanying mobile application specific to the event planning and hospitality fields, which involved providing privacy/data protection advice and guidance about user-generated content copyright liability risks.

  • Software Developer

    Nutter prepared and negotiated a master services agreement and subsidiary agreements for a software developer under which the client both developed software for a multinational company and also retained and licensed certain core software.

  • Veristat, LLC

    Nutter served as legal counsel to Veristat, LLC, a scientifically minded global clinical research organization (CRO), in its acquisition by WindRose Health Investors, LLC, a New York City-based health care private equity firm.

News & Insights

News

Publications

Blog Posts

Honors

Honors

  • Managing IP Stars, Trade Mark Star, United States (National) and Massachusetts, 2025
  • World Trademark Review's 1000 "The World's Leading Trademark Professionals" for Massachusetts, 2016-2025
  • The Best Lawyers in America, 2019-2026
  • Client Choice Award: Exclusive Winner in the Intellectual Property: Trademarks category in Massachusetts, 2020
  • Who's Who Legal: Trademarks, 2015-2021, 2024

Education & Admissions

Education

Suffolk University Law School, J.D., cum laude
Marquette University, B.A.

Admissions

  • Massachusetts
  • U.S. District Court for the District of Massachusetts
  • U.S. Court of Appeals for the Federal Circuit

Industry Expertise

Pat is a member of the Copyright Society of the U.S.A., the Intellectual Property Owners Association’s U.S. Trademark Law Committee, and the International Trademark Association’s Data Protection Committee.

Noteworthy

  • Managing IP Stars, Trade Mark Star, United States (National) and Massachusetts, 2025
  • World Trademark Review's 1000 "The World's Leading Trademark Professionals" for Massachusetts, 2016-2025
  • The Best Lawyers in America, 2019-2026
  • Client Choice Award: Exclusive Winner in the Intellectual Property: Trademarks category in Massachusetts, 2020
  • Who's Who Legal: Trademarks, 2015-2021, 2024
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