Mass Law Blog
Intellectual property and business litigation, Massachusetts and nationallyWritten by humans
Lee Gesmer’s Mass Law Blog began in 2005, and contains almost 600 posts. The site initially focused on Massachusetts law, but today it follows business and intellectual property law nation-wide. The site is hosted by Gesmer Updegrove LLP, a law firm based in Boston, Massachusetts. The firm represents startup and established companies in the areas of litigation, transactions (including financings, mergers and acquisitions), IP rights, taxation, employment law, standards consortia, business counseling and open source development projects and foundations. You can find a summary of the firm’s services here. To learn how Gesmer Updegrove can help you, contact: Lee Gesmer
A New Chapter in AI Copyright Litigation: Thomson Reuters v. Ross Intelligence and Its Ripple Effects on GenAI
The community of copyright AI watchers has been eagerly awaiting the first case to evaluate the legality of using copyright-protected works as training data. We finally have it, and it has a lot of copyright law experts scratching their heads and wondering what it means for the AI industry. On February 11, 2025, Third Circuit federal appeals court Judge Stephanos Bibas—sitting by designation in the U.S. District Court for the District of Delaware—issued a decision that is likely to shape the...
Second Circuit Revisits DMCA “Red Flag” Safe Harbor, Building on YouTube Legacy
There was a period from roughly 2010 to 2016 when it seemed like I was posting on the DMCA take-down system every few months. Many of these posts focused on the Viacom v. Youtube litigation in the Second Circuit. See here, here, here and here. This massive litigation ended with a settlement in 2014. Nevertheless, before the case settled the Second Circuit issued a significant decision, establishing an important precedent on application of the Digital Millennium Copyright Act. The Second...
Supreme Court Showdown Over National Security and Free Speech
I've been belatedly reading Chris Miller's Chip War, so I'm particularly attuned to U.S.-China relations around technology. Of course, the topic of Miller's excellent book is advanced semiconductor chips, not social media apps. Nevertheless, the topic now occupying the attention of the Supreme Court and the president elect is the national security threat presented by a social media app used by an estimated 170 million U.S. users. With Miller's book as background I was interested when, on...
A Postscript to my AI Series – Why Not Use the DMCA?
After reading my 3-part series on copyright and LLMs (start with Part 1, here) a couple of colleagues have asked me whether content owners could use the Digital Millennium Copyright Act (DMCA) to challenge the use of their copyright-protected content. I'll provide a short summary of the law on this issue, but the first thing to note is that the DMCA offers two potential avenues for content owners: Section 512(c)'s widely-used 'notice and takedown' system and the lesser-known Section...