Digital Media &
Marketing Lawyers

Stohn Hay Cafazzo Dembroski Richmond LLP is recognized by Lexpert as one of the leading entertainment law firms in Canada.

We focus on entertainment, digital media & technology, marketing and intellectual property law.

We act for both established and emerging clients in the entertainment, cultural, technology and marketing sectors, including:

  • film
  • television
  • music
  • digital media
  • publishing
  • broadcasting
  • online media
  • social media
  • video games
  • sports
  • visual art
  • photography


  • optioning & acquisition of underlying properties
  • co-production and co-venture agreements
  • production services agreements
  • Canadian tax & government incentives
  • production financing
  • interim financing
  • key creative, host & talent agreements
  • errors and omissions insurance review
  • broadcast & online licence agreements
  • sales agency & distribution agreements
  • merchandising
  • agent & management agreements
  • music recording agreements
  • music publishing agreements
  • live event & venue agreements
  • book publishing agreements

Digital Media & Technology

  • digital productions
  • online & social media platforms
  • websites
  • software & apps
  • video games
  • immersive multimedia
  • e-commerce


  • sponsorships
  • athlete, celebrity & influencer agreements
  • special event agreements
  • loyalty agreements
  • branded entertainment
  • online & social media

Intellectual Property

  • copyright
  • collective copyright & societies
  • personality rights
  • privacy rights
  • protection
  • licensing & sale
  • disputes

General Corporate Matters

  • incorporations
  • shareholder agreements
  • partnership agreements
  • amalgamations / dissolutions
  • share & asset purchase agreements
  • specialized due diligence
  • confidentiality agreements

133 King Street East
2nd Floor
Toronto, Ontario
M5C 1G6

T: 416-961-2020
F: 416-961-2021

E: info@stohnhay.com

Home page illustration by Tom Chitty.


Diana Cafazzo

Diana practises primarily in the areas of entertainment and copyright law. She represents production companies, distributors, broadcasters, online vendors, creative individuals and others in all facets of the development, production and exploitation of film, television, publishing, music and digital media projects.

Diana represents Canadian and international companies in structuring production arrangements, treaty co-productions, co-ventures, and corporate mergers and acquisitions in the Canadian cultural industries.

Diana also advises a wide range of clients on collective and other copyright matters.

Before joining the firm, Diana was a partner at the law firm McMillan Binch LLP (now McMillan LLP).

Industry Recognition

  • Named Toronto “Lawyer of the Year” in Entertainment Law for 2018 and 2014 by The Best Lawyers In Canada
  • Recognized as a leading entertainment lawyer in The Lexpert/American Lawyer Media’s Guide to the Leading 500 Lawyers in Canada, The Canadian Legal Lexpert Directory and The Best Lawyers in Canada
  • Featured in Lexpert magazine as one of the “15 to Watch” in a review of Canada’s top women lawyers
  • Recognized as a leading media lawyer by Euromoney’s Guide to the World’s Leading Technology, Media & Telecommunications Lawyers and Guide to the World’s Leading Women in Business Law

Professional Activities

  • Speaker at industry conferences and seminars, including for organizations The Canadian Film Centre, The Documentary Organization of Canada, Writers Guild of Canada, Women in the Director’s Chair, Canadian Worldwide Short Film Festival, The Law Society of Upper Canada, The Canadian Bar Association
  • Director and Secretary, Interactive Ontario (Past)
  • Director, The Feature Film Project (Past)
  • Director, The Toronto Arts Council (Past)


  • Called to the Ontario Bar – 1988
  • University of Toronto, LL.B. (with honours) – 1986
  • University of Toronto, B.Comm (with high distinction) – 1983

David Dembroski

David practises in all areas of entertainment law including music, television, theatre, publishing and interactive media.

His clients consist of well-known recording artists, record companies, producers of dramatic and reality programs, writers, directors, theatrical producers and music and book publishers.
He has helped a number of his clients expand into complementary businesses such as celebrity endorsements and merchandising.

David’s practice also includes sports law where he advises individuals and companies on sports-related matters such as advertising and promotions, merchandising and licensing, broadcast rights, franchise operations, intellectual property, player contracts and ticket matters, among others.

David was a partner at the law firm of Aird & Berlis LLP, where he practised for nine years.

Industry Recognition

  • Recognized as a leading practitioner of entertainment law by The Canadian Legal Lexpert Directory
    Professional Activities
  • Frequent speaker at conferences on music, sports, television, technology and other entertainment topics
  • Director and Secretary of Interactive Ontario.


  • Called to the Ontario Bar – 1995
  • University of Windsor, LL.B. – 1993
  • University of Western Ontario, B.A. (Hons.) – 1989

Ron Hay

With over twenty years’ experience as both in-house and external counsel, Ron provides strategic and practical advice to Canadian and international clients on all aspects of the media, entertainment and communications industries, focusing on film and tele­vision rights acquisition, production, co-production structures and distribution/exploitation opportunities.

Ron founded Stohn Hay LLP in 2003 with Stephen Stohn and David Dembroski, and in 2005 they welcomed Diana Ca­fazzo and Sandra Richmond to form Stohn Hay Cafazzo Dembroski Richmond LLP.

Ron began his law career as an associate at the law firm McMillan Binch (now McMillan), and then left to join the ranks of in-house counsel, first at Alliance Atlantis Communications Inc. (where he was Vice-President, Business & Legal Affairs – Television), then at Balmur Entertainment Ltd. (where he was Vice-President, Business & Legal Affairs). He returned to private practice in 2001.

Law is Ron’s second profession. Prior to attending law school he worked as a professional musi­cian for six years; he played viola with the Toronto Symphony Orchestra, the Canadian Opera Com­pany Orchestra and the Hamilton Philharmonic, and was also active as a recording studio and freelance musician. While at law school he regularly played in the orchestras of both Les Misérables and Phantom of the Opera, often with a law text open at his feet. Memorable performances include several concerts with the TSO at Carnegie Hall, playing with the Three Tenors at Maple Leaf Gardens, participating in the opening week of Roy Thomson Hall, and participating in the opening ceremonies of the SkyDome (now Rogers Centre).

Ron brings to his practice a passion for the arts and the creative process, and understands the importance of establishing professional relationships with those who share and embrace that passion in the creative industries. 

Industry Recognition

  • Recognized as a leading practitioner of entertainment law by the Canadian Legal Lexpert Directory and Woodward/White’s The Best Lawyers in Canada, and has been included in The Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada annually since 2010

Professional Activities

  • Board Member – Ontario Media Development Corporation
  • Regular speaker / panelist at industry conferences and seminars, including serving since 2011 as Co-Chair of the biennial Law Society of Upper Canada Entertainment & Media Law Symposium


  • Called to the Ontario Bar – 1994
  • Osgoode Hall Law School, LL.B. – 1992
  • University of Toronto, B.Mus. – 1983

Community Involvement

  • Board Chair – Trio Arkel Chamber Music Group (current)
  • Board Member – Concerts in Care (current)
  • Board Secretary – Toronto Symphony Orchestra (2001-2013)
  • Board Member (including stint as Chair) – Volcano Theatre (1996-2010)

Angelika Heim

Angelika is a partner with the firm and represents clients in the media, entertainment, and digital industries. Before joining Stohn Hay Cafazzo Dembroski Richmond LLP, Angelika was an associate at Goodman and Carr LLP.

Angelika works closely with clients in the creative sphere, advising on transactional matters, business strategies and disputes that relate to film, television, branded content, talent agreements, book publishing, music recording and publishing, digital content and intellectual property protection.

Her film and TV clients can rely on her to shepherd a production from development to post-production, including securing intellectual property rights, negotiating distribution and broadcast agreements, engaging talent, errors and omissions review, and navigating the funding agencies, financing models and tax credit opportunities both in Canada and with international partners.

Angelika’s music clients include emerging artists to Juno award-winning and Grammy nominated recording artists. She also works with independent labels and publishers on engaging talent and organizing the production, licensing and sale of their intellectual property rights.

Angelika’s roots are in the creative industries. Before becoming a lawyer, she worked in the theatre, television, news, film and magazine publishing industries as an actor, producer, director, writer and editor.

Professional Activities

  • Frequent panelist at conferences on film/TV, copyright, music, special events and other entertainment topics and guest lecturer at universities and colleges and industry associations across Canada
  • Member and Past Chair, Ontario Bar Association Entertainment, Media and Communications Section
  • Former Director and Vice-Chair, Theatre Passe-Muraille, one of Canada’s most distinguished playhouses that supports new and emerging Canadian talent


  • Called to the Ontario Bar – 2005
  • University of Windsor, LL.B. – 2004
  • University of Western Ontario, B.A. (Hons.) Theatre and English – 1996

Ryan Keller

Ryan provides strategic legal advice to clients in the areas of film, television, video games, and online media. His clients include producers, writers, directors, actors, musicians, managers, visual artists, social media personalities, YouTubers, and other media entrepreneurs.

Ryan’s passion for filmmaking led him to entertainment law, and he brings to his practice as a lawyer over 15 years of experience in the production of films, digital media, and television. His award-winning work as a producer and director continues to be featured on numerous platforms worldwide.

Prior to joining Stohn Hay Cafazzo Dembroski Richmond LLP, Ryan was an associate at Duarte Entertainment & Media Law.

Professional Activities

  • Frequent speaker and panelist on topics of digital media, film, and television
  • Member and past Vice-Chair of the Executive of the Entertainment, Media and Communications Section of the Ontario Bar Association
    Voting member of the Canadian Academy of Cinema and Television
  • Producer and co-founder of Other Animal film company
  • Member of Confederation College Advisory Board – Film Production


  • Called to the Ontario Bar – 2015
  • Osgoode Hall Law School, J.D. – 2014
  • Confederation College, Film Production – 2002

Sandra Richmond

Sandra’s practice focuses on entertainment and media law and on corporate law within those industries.

She advises a variety of clients (including producers, writers, broadcasters, distributors and financiers) on all aspects of the development, financing, production and exploitation of film, television, publishing and digital media projects. Her twenty years of experience include helping clients with rights acquisition, errors and omissions insurance, interim financing, broadcast and distribution agreements, endorsement agreements, shareholder agreements and share acquisitions.

Sandra was a partner at the Toronto law firm McMillan Binch (now McMillan).

Before studying law, she was an editor at Oxford University Press and HBJ/Holt. Since becoming a lawyer she has edited two non-fiction books and, somewhat compulsively, almost everything else she reads.

Professional Activities

  • Frequent lecturer and panelist at seminars for various organizations, including Canadian Film Centre, Ontario Media Development Corporation, Telefilm Canada, Women in Film and Television, National Screen Institute, Women in the Director’s Chair, Interactive Ontario, Canadian Worldwide Short Film Festival and ImagiNATIVE
  • Member of the Canadian Media Producers Association
  • Past member of the Executive of the Entertainment, Media and Communications Section of the Ontario Bar Association

Industry Recognition

  • Recognized as a leading practitioner of entertainment law by The Canadian Legal Lexpert Directory


  • Called to the Ontario Bar – 1996
  • University of Toronto, LL.B. – 1994
  • Carleton University, B.J. – 1978

Stephen Stohn

Stephen has been providing strategic legal advice to performers, advertisers, merchandisers, recording artists, songwriters, multimedia creators, broadcasters and film and television producers as an entertainment and copyright lawyer since 1979.

He is currently Executive Producer of the television series Degrassi: Next Class (streamed worldwide on Netflix in over 17 languages), and previously has been Executive Producer of earlier iterations of the Degrassi franchise and of series such as Open Heart, Instant Star and The L.A. Complex and their related websites, webisodes, new media and social media initiatives. He was Executive Producer of the lifestyle television series Savoir Faire and Room Service, and Executive Produced Riverdale, English Canada’s first prime-time soap opera, as well as two feature films, Me? and The Clown Murders (starring John Candy).

He has worked in the entertainment industry for over 40 years commencing with part-time appearances as a performing artist and continuing with active work as a songwriter (including two songs that reached the Canadian Top 10, Maybe Your Heart and Once In A Long Time).

Industry Recognition

  • Recognized as a leading practitioner of entertainment law by The Canadian Legal Lexpert Directory and Woodward/White’s The Best Lawyers in Canada.
  • In 2011 he was inducted into the Canadian Music & Broadcast Industry Hall of Fame.
  • He has also been nominated 26 times in Canada’s national television awards ceremony, the Canadian Screen Awards (formerly the Gemini Awards), and has won 13 times.
  • He has been nominated for four primetime Emmy Awards, and has won a Peabody Award.

Professional Activities

  • Active in lobbying for reform of Canada’s copyright laws.
  • Has co-chaired numerous entertainment law conferences under the auspices of the Law Society of Upper Canada and the Canadian Bar Association.
  • Has appeared as an expert witness before the Copyright Board of Canada.
  • For nearly 20 years, until 2009, Stephen was a Director and then Chair of the Canadian Academy of Recording Arts and Sciences (CARAS) and Executive Producer of the Juno Awards, Canada’s national music awards show. He was also Chair of MusiCounts, the music industry charity associated with CARAS.
  • For nine years, until 2010, he was a Director and Chair of the Strategic Planning Committee of Ontario Media Development Corporation.
  • Currently a Director of Orange Lounge Recordings / inDiscover Recordings, a Director of the Canadian Retransmission Collective, a Director of the Producers Audiovisual Collective of Canada, a Director of ISAN Canada
  • Has participated as a director, committee member or founder of a number of cultural industry associations
  • Former director of Motion Picture Distribution Inc. (General Partner of Motion Picture Distribution LP)
  • Member of the Society of Composers, Authors and Publishers Association of Canada (SOCAN)


  • Called to the Ontario Bar – 1979
  • University of Toronto, JD. – 1977
  • Trent University, B.A. – 1969
  • Trent University, D.Litt. (honoris causa) – 2015

Lidia Ball

Lidia is Office Manager at Stohn Hay Cafazzo Dembroski Richmond LLP, a position that she has held since the firm’s inception.

In addition to keeping the lawyers in line, Lidia oversees systems and operations, and handles all accounting matters.