Timothy's interest in Internet law goes back to the early days of the Web. His Internet Privacy Law page was profiled in the "Best of 1996" issue of Internet World Magazine. He has taught other attorneys about the law of the World Wide Web at the accredited CLE Online.

At The Law Offices of Timothy Walton, he practices civil law involving business litigation, advertising injury (including spam and junk fax class actions), e-commerce fraud, online defamation and other unfair business practices, in straightforward as well as complex cases. He provides arbitration involving disputed registration or use of domain names. He gives business advice to web companies, including web site legal compliance audits. He practices in state trial and appellate courts, California Supreme Court, WIPO Arbitration, Federal District Court, Northern District of California, Federal District Court, District of Colorado, Federal Bankruptcy Court, District of Colorado, U.S. Court of Appeals, Ninth Circuit, Multi-District Litigation Panel and United States Supreme Court (admitted to U.S. Supreme Court in 2009).

He has successfully litigated several decisions in spam cases, including:

Balsam v. DSG, (Unpublished) (2009).

Walton v. Mueller, 180 Cal.App.4th 161 (2009).

Gordon v. Virtumundo, Inc., 575 F.3d 1040 (9th Cir. 2009).

Ferguson v. Friendfinders., 94 Cal.App.4th 1255 (2002).