Hilary St. Jean


Hilary has a background in high-tech corporate transactions, entertainment-based transactions, intellectual property, and business and business/legal management.

Cannabis Attorney Hilary St. Jean at Rogoway Law Group, California.


  • Entity Formation

  • Emerging Companies

  • Corporate Governance

  • Financing and Venture Transactions

  • Mergers and Acquisitions

Bar Admissions

  • California


  • UC Berkeley School of Law (J.D. 2011), Honors

  • Colgate University (B.A., 2002), Honors, cum laude

Hilary St. Jean joined Rogoway Law Group in 2018, with a practice focused on corporate transactional matters and a history of prior legal practice in Silicon Valley and Los Angeles. Hilary earned her Juris Doctor from UC Berkeley School of Law. Hilary works with entrepreneurs, executives, and investors in support of innovative companies.

Hilary’s practice involves everything from formation to exit of a company and serves clients ranging from emerging entities and startups to mature businesses and repeat-entrepreneurs. Hilary also serves venture and private equity investors. Hilary has experience with various financing transactions, corporate governance and organization, mergers and acquisitions, joint ventures and a variety of other corporate and transactional matters.

Hilary has a background in entertainment-based matters, including intellectual property asset transactions, talent agreements, and sponsorship and promotional arrangements. Prior to working at Rogoway, Hilary worked in the heart of Silicon Valley on Sand Hill Road on a variety of transactional matters and including as a board-level attorney, advising client boards of directors on both business and business/legal matters. Before becoming an attorney, Hilary worked at a Fortune 500 company in the music business. Hilary’s prior employment experience contributes to Hilary’s unique ability to provide both legal and business advice to her clients.

Awards & Recognition

Past Speaking Engagements

Representation history

The following are some examples of Hilary’s prior transactions experience:
  • Represented various clients on buy and sell side in multiple mergers and acquisitions ranging from millions of dollars to billions of dollars.
  • Worked on up to 8 financings per week in Silicon Valley representing both investors and companies (with investment amounts ranging from tens of millions of dollars to over a hundred million dollars).
  • Represented DCG Systems Inc. in their acquisition by FEI for $160 million dollars.
  • Represented Source3 (intellectual-property tracking startup) in connection with their acquisition by Facebook.
  • Represented American Traffic Solutions (a leading provider of road safety cameras and toll and violations management solutions throughout North America, now part of Verra Mobility, the leading provider of tech-enabled smart transportation solutions across the US and Europe) in connection with their acquisition by Platinum Equity.
  • Represented Top 100 music artist with respect to legal matters in connection with Grammy-nominated album.
  • Represented multi-platinum recording artist with respect to various transactional agreements including a world tour agreement.
  • Represented Emmy-winning television star with respect to television series agreements and a book publishing agreement.
  • Represented multi-platinum-selling songwriter with respect to songwriter agreements.
  • Represented major music promoter with respect to partnership agreement.
  • Represented entertainment publishing company in its asset acquisitions of legendary music catalogs.
  • Represented healthcare company seller in $4.4 billion dollar acquisition (deal resulted in firm being awarded Deal of the Year in the healthcare industry by M&A Atlas Awards).
  • Represented One Lambda, Inc. in its sale to Thermo Fisher Scientific, Inc. for $925 million dollars.
  • Represented a single client in multiple sale and joint venture transactions ranging from $10 million dollars to $60 million dollars.
  • Represented major automobile manufacturer with respect to commercial advertising and intellectual property licensing.
Close Menu