J. Derek "Derek" Mason
About J. Derek Mason
J. Derek Mason is a lawyer based in Washington, DC and has been recognized in The Best Lawyers in America® since 2020. J. Derek Mason is recognized in the following practice area:
- Washington, District of Columbia
- Patent Law
Current Firm: Tucker Ellis LLP
Education: Georgetown University, J.D., graduated 1996
Location: Washington, DC
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Christopher Allen is a top attorney recognized by Best Lawyers in the practice area(s) of Consumer Protection Law. Christopher, who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.
Gregory H. Levine is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. Gregory H., who practices law in Washington, District of Columbia, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory H. is held by other top lawyers in the same geographic and legal practice area.
Brian Nixon’s practice spans advertising, technology, emerging media and privacy, with particular focus on clients implementing targeted advertising strategies and other data-driven marketing initiatives across various media channels. He provides forward-thinking counsel to clients ranging from startups (including social media platforms and emerging media ventures) to Fortune 500 companies. He advises organizations of all sizes on data optimization, mobile commerce, Telephone Consumer P...
Alonso J. Cisneros is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Alonso J., who practices law in Bethesda, Maryland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alonso J. is held by other top lawyers in the same geographic and legal practice area.
David P. Wales is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. David P., who practices law in Washington, District of Columbia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David P. is held by other top lawyers in the same geographic and legal practice area.
Jim Hundley has over 30 years of experience litigating complex criminal and civil cases. He regularly represents individuals and corporations before Virginia’s state and federal courts. He has defended clients involved in a broad range of criminal matters including bank fraud, bid rigging, bribery, embezzlement, tax evasion, and computer fraud. On the civil side, Mr. Hundley has successfully handled cases involving a wide variety of issues including breach of contract, tortious interfer...
Adam Tarosky is a member of the Government Investigations & White Collar Defense practice group. He is a recent alumnus of one of the most powerful offices in the Department of Justice (DOJ). The Civil Fraud Section, the clearinghouse for all False Claims Act (FCA) activity in the country, annually coordinates the recovery of over $3 billion from health care providers, defense contractors, and other entities and individuals that do business with the federal government. Adam uses the knowl...
Laurence Schor is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. Laurence, who practices law in Washington, District of Columbia, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laurence is held by other top lawyers in the same geographic and legal practice area.
Megan Mocho is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Megan, who practices law in Tysons, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Megan is held by other top lawyers in the same geographic and legal practice area.
Daniel Volchok's practice focuses on appellate litigation involving various areas of federal and state law, including arbitration, bankruptcy, civil rights, contracts, criminal law, due process, free speech, intellectual property, military law, Native American issues, preemption and tax. Mr. Volchok has filed numerous merits and amicus briefs in the US Supreme Court as well as state and federal appellate courts, and also participated in successful efforts to obtain or oppose certiorari.
Explore and Learn
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.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
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.
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.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.
When Is It Too Late to Stop Foreclosure?
by Bryan Driscoll
Understanding the foreclosure timeline, critical deadlines and the legal options that may still protect your home.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.