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John M. Burke, Esq.


John M. Burke manages the firm's Maine Cannabis Law practice. Mr. Burke advises and represents the firm's clients throughout Maine in both the Medical and Adult Use cannabis programs in a wide range of Maine cannabis law matters, including but not limited to:

  • Advising clients on all Maine statutes and rules pertinent to Maine's Medical and Adult Use cannabis programs;
  • Advising clients on all local ordinances pertinent to Maine's Medical and Adult Use cannabis programs;
  • Prepare and prosecute Maine cannabis licensing applications and renewals at Maine's Office of Cannabis Policy and municipalities;
  • Negotiating and preparing a wide variety of agreements relating to Maine cannabis businesses including licensing agreements, manufacturing agreements, distribution agreements, operating agreements, non-disclosure agreements and development agreements; and
  • Representing clients in connection with Maine cannabis business disputes.

In addition to Mr. Burke's Maine cannabis law practice, Mr. Burke advises and assists the firm's clients in a variety of industries on various intellectual property matters, including but not limited to:

  • Trademark counseling, trademark prosecution, managing trademarks, licensing trademarks, defending and enforcing domestic and international trademarks;
  • Copyright registration and enforcement;
  • Intellectual property counseling, including developing plans to protect trade secrets
  • Negotiating and preparing a wide variety of agreements relating to intellectual property including license agreements, sponsored research, research collaboration, laboratory services, testing and evaluation, and development agreements;
  • Managing IP portfolios, protecting and enforcing IP rights, including trade secrets;
  • Representing clients in connection with contract disputes about intellectual property matters; and
  • Intellectual property litigation in federal court and before the U.S. Trademark Trial and Appeal Board.

Prior to joining Caseiro Burke, Mr. Burke represented clients in matters before state and federal courts in a variety of legal proceedings, including contract and business disputes, family law, criminal defense, and general civil matters.

Practice Areas
IP Agreements
Trade Secrets
IP Litigation
Cannabis Regulatory Compliance
Cannabis Licensing

J.D., Western Michigan University Cooley School of Law (f/k/a Thomas. M. Cooley Law School), Concentration in Litigation, 2010
B.A., Criminal Justice, Saint Joseph's College, 2007

New England Rising Star by SuperLawyers from 2018-2022

Bar Admissions
Maine, 2011
United States District Court, District of Maine, 2011
United States Court of Appeals for the First Circuit, 2012

Recent Blog Posts


  • Very Detailed

    John helped me close a multi party, multi document negotiation between three businesses that ultimately ended up in our favor because of his attention to detail and his ability for looking out for his clients well being. I would recommend him 100x over. Thank you again John!
  • The Best!!!

    John is amazing! He is extremely knowledgeable about the Maine cannabis laws/guidelines and trademark/copyright process. I feel in good hands with any of my business dealings with Caseiro Burke Law. John is very professional, breaks down any legal information in a very common sense approach and a...
  • Always Courteous and Quick with the Answers we Need

    My company has received our patent and trademark, applied for overseas patents and had agreements drawn up all with John's expert and friendly service. He has been so easy to work with and is always available no matter what questions we have or what we may need done.
  • Invaluable Guidance

    Our Company has been working with Caseiro Burke for over three years. In a very competitive marketplace in the Northeast, our company needed a very thorough and responsive legal support team to assist us with our trademarking requirements for the company. John Burke and his staff have been very r...
  • Great Attorney

    As an owner of a cannabis business in the State of Maine, it was important for my partner and me to find an attorney who was part of our team, and John Burke fit the bill perfectly. He helped us navigate through the ever-changing laws and compliance rules within the cannabis industry. Also, worke...