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.

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

Representative transactions

The following are some examples of Hilary’s prior experience:
  • Represent various clients on buy and sell side in multiple mergers and acquisitions ranging from millions of dollars to billions of dollars.
  • Represent cannabis clients in equity financings ranging in the multiple of millions of dollars ranges.
  • Represent clients in multiple SAFEs (Simple Agreements for Future Equity) and promissory notes (both convertible into equity and straight loans).
  • Represent multiple operators with respect to key commercial agreements, IP and brand licensing agreements.
  • Form funds.
  • Advise investors regarding diligence and risk.
  • Work on multiple roll-ups, reorganizations and restructures.
  • Worked on up to 8 financings per week in Silicon Valley representing investors or companies (with amounts ranging from tens of millions of dollars to hundreds of millions of dollars).
  • Represented healthcare company seller in LA 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 Los Angeles in its sale to Thermo Fisher Scientific, Inc. for $925 million dollars.
  • Represented DCG Systems Inc. in Silicon Valley in their acquisition by FEI for $160 million dollars.
  • Represented Source3 (intellectual-property tracking startup) in Silicon Valley in connection with their acquisition by Facebook.
  • Represented Top 100 music artist in Los Angeles with respect to legal matters in connection with Grammy-nominated album.
  • Represented multi-platinum recording artist in Los Angeles with respect to various transactional agreements including a world tour agreement.
  • Represented Emmy-winning television star in Los Angeles with respect to television series agreements and a book publishing agreement.
  • Represented multi-platinum-selling songwriter in Los Angeles with respect to songwriter agreements.
  • Represented major music promoter in Los Angeles with respect to partnership agreement.
  • Represented entertainment publishing company in Los Angeles in its asset acquisitions of legendary music catalogs.
  • Represented a single client in Los Angeles in multiple sale and joint venture transactions ranging from $10 million dollars to $60 million dollars.
  • Represented major automobile manufacturer in Los Angeles with respect to commercial advertising and intellectual property licensing.
  • 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 Silicon Valley in connection with their acquisition by Platinum Equity.

Published Articles

  • LexisNexis Practical Guidance® Practice Note, “Due Diligence Processes in Acquiring California Licensed Commercial Cannabis Businesses (CA),” 2023

Recent Speaking Engagements