Dave Porter has extensive experience in representing individuals and businesses in tax and business matters. He has over sixteen years of experience in tax planning and transactions and in representing taxpayers in tax controversies, litigation, and collection matters, as well as criminal investigations and trials against the federal and state governments. Dave's civil tax controversy experience is extensive, involving income tax, estate and gift taxes, and sales tax disputes. Further, these cases have ranged from representation in audit examinations and conducting administrative appeals, to litigating cases in trial and appellate courts. He has litigated a wide range of tax issues, including employee-independent contractor status, transfer pricing, business bad debts, business expenses, method of accounting, innocent spouse relief, refund claims, summons enforcement, and civil fraud and accuracy related penalties.

Dave's tax collection experience includes handling due process hearings and appeals conferences and negotiating payment agreements and offers in compromise with the IRS and FTB. Moreover, he is one of the few attorneys to have actually obtained an injunction against the IRS.

In addition to tax controversy matters, Dave has significant experience in advising companies in transactional matters, including tax planning, formation of entities, sales and acquisitions, spin-offs, executive compensation, founder buyouts, lease negotiations, and like-kind exchanges. He also regularly advises litigants about the tax treatment of damage awards and settlements and serves as a tax adviser to several large estates and trusts.

As an outgrowth of his tax controversy expertise, Dave also has experience with general civil trial and appellate matters, including breach of contract, defamation, professional malpractice, wrongful termination, breach of fiduciary duties, conversion, and fraud. He also does federal white collar criminal defense work, including representing individuals and corporations in grand jury proceedings, investigations, jury trials, and appeals in cases involving tax evasion, filing false tax returns, money laundering, gambling, wire fraud, bank fraud, insurance fraud, telemarketing fraud, conspiracy, and obstruction of justice.

AV rated by Martindale-Hubbell. Previously associated with Martin A. Schainbaum, A Professional Law Corporation. Previously Adjunct Professor, Instructor of Writing and Research, at Golden Gate University, San Francisco, CA. Chief Financial Officer, Sensor One Technologies Corporation.