William B. McDiarmid
The opportunity to find creative and efficient solutions for legal business issues—and to be involved at the inception of innovative and sometimes life-changing technologies—is what drives Bill’s work with clients.
He helps entrepreneurs and business leaders bring ideas to life, guiding them through growth, transformation, and success.
With a deep understanding of the challenges faced by privately held companies, Bill collaborates closely with clients at every stage, from formation to financings to eventual exits. He negotiates the agreements that drive business growth, including intellectual property transfers and licenses, executive employment arrangements, stock option and incentive plans, and commercial contracts.
Clients rely on him for trademark strategy and protection, including clearance, registration, and licensing. Known for his thoughtful and practical approach, William translates complex legal issues into clear, actionable guidance—allowing his clients to stay focused on building value, making an impact, and moving forward.
Strategic Corporate Transactions
Advised private companies on various corporate matters, including straightforward and complex reorganizations, restructurings, mergers, and acquisitions, guiding clients through high-stakes transitions with efficiency and clarity.
Venture Capital and Angel Financing
Negotiated more than $1 billion in venture capital and angel investment financings on behalf of high-tech and biotech startup clients, helping position early-stage companies for long-term success and scalability.
Trademark Strategy and IP Licensing
Developed comprehensive trademark strategies, including clearance searches, registration, brand protection, and licensing agreements to support clients’ growth and preserve brand value across competitive industries.
Outside General Counsel to Private Companies
Served as trusted outside counsel to small and medium-sized businesses throughout their lifecycle—from formation to successful exit. Advised on employment and executive agreements, equity incentive plans, software and intellectual property licensing, and commercial agreements, including distribution and service contracts.
Education
- LLB, University of Western Ontario, 1990
- MBA, University of Western Ontario, 1986
- BA, University of Toronto, 1983
Bar Admissions
- Massachusetts
Curling Enthusiast
- While many shy away from New England winters, Bill embraces them. He is an avid curler who enjoys the strategy, teamwork, and community the sport brings during the colder months.