Marie-Marie O. De Fays
About Marie-Marie O. De Fays
Marie-Marie O. De Fays is a lawyer based in New York, NY and has been recognized in Best Lawyers: Ones to Watch® in America since 2026. Marie-Marie O. De Fays is recognized in the following practice area:
- New York, New York
- Antitrust Law
Current Firm: Weil, Gotshal & Manges LLP
Location: New York, NY
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Nina S. Gross is a lawyer recognized by Best Lawyers in the practice area of Family Law. Nina S. practices law in New York, New York Best Lawyers has recognized Nina S. Gross since 2012. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Nina S. Gross is held by other lawyers.
Richard M. Nugent is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Richard M. practices law in New York, New York Best Lawyers has recognized Richard M. Nugent since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Richard M. Nugent is held by other lawyers.
Philip H. Cohen is a lawyer recognized by Best Lawyers in the practice area of Product Liability Litigation - Defendants. Philip H. practices law in New York, New York Best Lawyers has recognized Philip H. Cohen since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Philip H. Cohen is held by other lawyers.
An Truong is an attorney at Simmons Hanly Conroy and part of the firm’s Complex Litigation Department. Located in the firm’s New York City office, An works with a team of attorneys to give clients a voice against corporations who prioritize profits over individuals’ health and safety. Her practice is focused on advocating for the rights of consumers against large corporations, including class actions involving product liability, consumer fraud, and data privacy violations. &...
Douglas R. Nemec is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Intellectual Property and Litigation - Patent. Douglas R. practices law in New York, New York Best Lawyers has recognized Douglas R. Nemec since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Douglas R. Nemec is held by other lawyers.
Carl R. Sanchez is a partner in the Corporate practice of Paul Hastings and is based in the firm’s New York and San Diego offices. Carl’s practice is primarily in the area of mergers and acquisitions, where he represents public and private companies in a wide variety of merger and acquisition transactions, including stock acquisitions, divisional asset acquisitions and divestitures, tender offers, and share exchange offers, restructurings, dissolutions, going-private transactions,...
John "Jack" Conboy represents various financial institutions and real estate operators in connection with acquisitions, sales, financing and refinancing of commercial properties. He also counsels landlords and tenants in the leasing of commercial space. In addition, Mr. Conboy has experience in representing clients in the purchase and sale of residential real estate, including condominiums, cooperative apartments, and single and multi-family homes. While attending St. John's University School...
Sean Hecker is recognized nationally as a leading trial lawyer, with a practice focusing on white collar criminal defense, government and internal investigations, complex civil litigation, and regulatory compliance. Sean’s practice includes representing officers, directors and corporations, across various industries, in grand jury and regulatory investigations, including those conducted by the Department of Justice (DOJ), Securities and Exchange Commission (SEC), Commodity Futures Tradi...
Frank A. Saviano P.C. is a lawyer recognized by Best Lawyers in the practice area of Sports Law. Frank A. practices law in New York, New York Best Lawyers has recognized Frank A. Saviano P.C. since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Frank A. Saviano P.C. is held by other lawyers.
Daniel C. Zinman is a lawyer recognized by Best Lawyers in the practice area of Criminal Defense: White-Collar. Daniel C. practices law in New York, New York Best Lawyers has recognized Daniel C. Zinman since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Daniel C. Zinman is held by other lawyers.
Explore and Learn
What AI Visibility Means for Lawyers
by Josh Rupall and Bryan Driscoll
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
The Best Lawyers in Canada 2027: Recognizing the Nation's Top Legal Talent
by Jamilla Tabbara
Honoring established leaders and rising practitioners across Canada's legal profession.
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Rules on Gifting Money to Family: What to Know
by Bryan Driscoll
Generosity often runs ahead of paperwork. Here's how to give to loved ones without surprising the IRS, your estate plan or your relationships.