Services
Intellectual Property
Brann & Isaacson advises companies, from start-ups to brand-name companies with large trademark and copyright portfolios, on the proper care of their intellectual property. On behalf of these clients, we have litigated patent, trademark, trade dress, and copyright cases in the International Trade Commission and in federal court in over 20 states.
Intellectual Property Litigation
Brann & Isaacson has litigated patent, trademark, trade dress, and copyright cases in the International Trade Commission and in federal court in over 20 states, including the busiest intellectual property districts of the country. In patent matters, the firm defends cases brought by patent trolls and others “monetizing” their patent portfolios. We primarily represent retailers, both large and small, including over a dozen of the 100 largest internet retailers and do not believe that “one size fits all.” Whatever the client’s best interest may be—a joint defense, a go-it-alone strategy; aggressive litigation, a cost-of-defense settlement—will be the path we take.

“Stacy Stitham is an excellent technical lawyer and helps us with discovery and case assessment in patent infringement cases, and Peter Brann helps in negotiating on our behalf both with patent holders and with our indemnitors. They are very practical, no–nonsense lawyers—how to mitigate risk and not get bogged down.”
Benchmark Litigation
Where We Excel
Intellectual Property Protection
Brann & Isaacson advises companies, from start-ups to brand-name companies with large trademark and copyright portfolios, on the proper care of their intellectual property. Our extensive work in the catalog and online merchant space gives us the depth and breadth of expertise to assess a trademark or copyright issue and move quickly to an action plan. We have successfully searched and cleared thousands of potential trademarks, and are responsible for the prosecution and maintenance of thousands of marks in the United States and around the world. Whether a client’s needs include selecting a new brand or product name or dealing with a letter alleging trademark or copyright infringement, we have the tools and experience to help clients identify and achieve quickly the best business solution.

Where We Excel
Our Intellectual Property Team
Recent News
Case Studies
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Recent
Cases
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Former Price Promotions, Current Legal Risk
Former price promotions, you say? Plus ça change, plus c’est la même chose. This isn’t just a quote from Jean-Baptiste Alphonse Karr or a line from Circumstances by Rush. It’s also a fitting description of the risks associated with California’s thorny and potentially unconstitutional Business & Professions Code § 17501. The combination of this statute and avaricious lawyers is…
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Hanna Wurgaft Named Partner at Brann & Isaacson
Brann & Isaacson, a law firm with offices in both Lewiston and Portland, has announced that Hanna Wurgaft has been made a partner of the firm. Hanna has been with Brann & Isaacson for six years and advises clients on labor and employment law, education and municipal law, and litigation. Over the past six years, Hanna has built a statewide reputation representing employers and educational institutions in complex employment and education…
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B&I University: 2026 Trends for E-Commerce Companies to Watch For
Join partners Jamie Szal and David Bertoni as we debate the top trends we see coming for e-commerce companies in 2026. This conversation will cover taxes, privacy, other regulatory compliance, litigation, and other issues that e-commerce companies will face. Register now here.
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Tax State Notes: Top State And Local Tax Policies Of 2025
On December 22, 2025, Tax State Notes published a comprehensive article on the “Top State And Local Tax Policies Of 2025”. The story quotes B&I attorney David Swetnam-Burland and our client, the American Commerce Marketing Association. As Tax State Notes writes: “Under what is known as the cookie regulation in Massachusetts, finalized in October, out-of-state retailers with more than $500,000 in annual sales in the state that place cookies…
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Peter Brann Teaches Again at Harvard Law School
Partner Peter Brann is once again teaching at Harvard Law School this semester his popular class, The Role of the State Attorney. The accompanying externship clinic has one of the longest wait lists of any clinic at Harvard. He has taught or co-taught this class as a Visiting Lecturer in Law since 2010 at Columbia…
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Companies that Have Paid IEEPA Tariffs Should Consider Filing Protective Lawsuits Now
Companies that have paid IEEPA tariffs being challenged in the Supreme Court should consider filing protective lawsuits now in the Court of International Trade seeking refunds in the event the Supreme Court invalidates the tariffs. It has been reported that the Administration is playing hardball, denying requests to extend the 314-day deadline to “liquidate” the tariffs. “The…
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Wicked Compliance: Defying the Audit Witch and Flying Free with Smart Billing Strategies
On November 17, 2025, Jamie Szal and Martin Eisenstein co-authored an article for Mailer’s Hub newsletter, “Wicked Compliance: Defying the Audit Witch and Flying Free with Smart Billing Strategies”. As they write, “Direct mail producers specializing in high-volume marketing for ecommerce clients face a hydra-headed monster in the form of state sales tax compliance, where unforced errors in billing or sourcing…
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Brann & Isaacson Closes Year of Growth with Acquisition of Dover-Foxcroft Practice
Brann & Isaacson is expanding its respected Maine practice with a new satellite office in Dover-Foxcroft. Following many years of serving as a referral source for Piscataquis and Penobscot County residents in need of corporate and business law, estate planning, and commercial real estate services, on January 1st, B&I will take over the former Hayes…
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Tax State Notes: Extraterritorial Regulation and the Internet
On November 17, 2025, David Swetnam-Burland and Nathaniel A. Bessey co-authored an ‘Eyes on E-Commerce’ article for Tax State Notes. In “Here, There, and Everywhere: Extraterritorial Regulation and the Internet,” Swetnam-Burland and Bessey explore efforts of states and localities to expand the scope of their legal authority in the internet age beyond their geographical borders. They discuss how those efforts are tacitly changing the balance of federal…
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Brann & Isaacson Recognized Nationally for Leadership in Litigation & Intellectual Property
Brann & Isaacson, a law firm with offices in both Lewiston and Portland, Maine, has been recognized for its leadership in litigation and intellectual property. The 2026 edition of Benchmark Litigation has named B&I attorneys Stacy Stitham, Peter Brann, and David Swetnam-Burland as “Litigation Stars.” Known as the definitive guide to the world’s leading litigation firms and…
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Brann & Isaacson Welcomes Former Federal Prosecutor David Joyce as Partner
Brann & Isaacson, a law firm with offices in both Lewiston and Portland, Maine, is pleased to announce that David Joyce has joined the firm as a Partner in its Litigation practice. David joins B&I after two decades of federal prosecutorial experience, most recently as Assistant United States Attorney. Throughout his 17-year tenure at the…
Retail & E-Commerce News
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Former Price Promotions, Current Legal Risk
Former price promotions, you say? Plus ça change, plus c’est la même chose. This isn’t just a quote from Jean-Baptiste Alphonse Karr or a line from Circumstances by Rush. It’s also a fitting description of the risks associated with California’s thorny and potentially unconstitutional Business & Professions Code § 17501. The combination of this statute and avaricious lawyers is…
-
Hanna Wurgaft Named Partner at Brann & Isaacson
Brann & Isaacson, a law firm with offices in both Lewiston and Portland, has announced that Hanna Wurgaft has been made a partner of the firm. Hanna has been with Brann & Isaacson for six years and advises clients on labor and employment law, education and municipal law, and litigation. Over the past six years, Hanna has built a statewide reputation representing employers and educational institutions in complex employment and education…
-
B&I University: 2026 Trends for E-Commerce Companies to Watch For
Join partners Jamie Szal and David Bertoni as we debate the top trends we see coming for e-commerce companies in 2026. This conversation will cover taxes, privacy, other regulatory compliance, litigation, and other issues that e-commerce companies will face. Register now here.
-
Tax State Notes: Top State And Local Tax Policies Of 2025
On December 22, 2025, Tax State Notes published a comprehensive article on the “Top State And Local Tax Policies Of 2025”. The story quotes B&I attorney David Swetnam-Burland and our client, the American Commerce Marketing Association. As Tax State Notes writes: “Under what is known as the cookie regulation in Massachusetts, finalized in October, out-of-state retailers with more than $500,000 in annual sales in the state that place cookies…
-
Peter Brann Teaches Again at Harvard Law School
Partner Peter Brann is once again teaching at Harvard Law School this semester his popular class, The Role of the State Attorney. The accompanying externship clinic has one of the longest wait lists of any clinic at Harvard. He has taught or co-taught this class as a Visiting Lecturer in Law since 2010 at Columbia…
-
Companies that Have Paid IEEPA Tariffs Should Consider Filing Protective Lawsuits Now
Companies that have paid IEEPA tariffs being challenged in the Supreme Court should consider filing protective lawsuits now in the Court of International Trade seeking refunds in the event the Supreme Court invalidates the tariffs. It has been reported that the Administration is playing hardball, denying requests to extend the 314-day deadline to “liquidate” the tariffs. “The…
-
Wicked Compliance: Defying the Audit Witch and Flying Free with Smart Billing Strategies
On November 17, 2025, Jamie Szal and Martin Eisenstein co-authored an article for Mailer’s Hub newsletter, “Wicked Compliance: Defying the Audit Witch and Flying Free with Smart Billing Strategies”. As they write, “Direct mail producers specializing in high-volume marketing for ecommerce clients face a hydra-headed monster in the form of state sales tax compliance, where unforced errors in billing or sourcing…
-
Brann & Isaacson Closes Year of Growth with Acquisition of Dover-Foxcroft Practice
Brann & Isaacson is expanding its respected Maine practice with a new satellite office in Dover-Foxcroft. Following many years of serving as a referral source for Piscataquis and Penobscot County residents in need of corporate and business law, estate planning, and commercial real estate services, on January 1st, B&I will take over the former Hayes…
-
Tax State Notes: Extraterritorial Regulation and the Internet
On November 17, 2025, David Swetnam-Burland and Nathaniel A. Bessey co-authored an ‘Eyes on E-Commerce’ article for Tax State Notes. In “Here, There, and Everywhere: Extraterritorial Regulation and the Internet,” Swetnam-Burland and Bessey explore efforts of states and localities to expand the scope of their legal authority in the internet age beyond their geographical borders. They discuss how those efforts are tacitly changing the balance of federal…
-
Brann & Isaacson Recognized Nationally for Leadership in Litigation & Intellectual Property
Brann & Isaacson, a law firm with offices in both Lewiston and Portland, Maine, has been recognized for its leadership in litigation and intellectual property. The 2026 edition of Benchmark Litigation has named B&I attorneys Stacy Stitham, Peter Brann, and David Swetnam-Burland as “Litigation Stars.” Known as the definitive guide to the world’s leading litigation firms and…
-
Brann & Isaacson Welcomes Former Federal Prosecutor David Joyce as Partner
Brann & Isaacson, a law firm with offices in both Lewiston and Portland, Maine, is pleased to announce that David Joyce has joined the firm as a Partner in its Litigation practice. David joins B&I after two decades of federal prosecutorial experience, most recently as Assistant United States Attorney. Throughout his 17-year tenure at the…




