John M. Grenfell Esq.

Pillsbury Winthrop Shaw Pittman LLP
Grenfell, John M.

John Grenfell is a partner with Pillsbury Winthrop Shaw Pittman LLP's in the San Francisco office in the litigation department. His practice has focused on complex commercial litigation and appeals. He has significant experience in antitrust, business disputes, and constitutional law (especially as it relates to government regulation of business). John also has extensive experience counseling lawyers on compliance with their ethical obligations and defending legal malpractice claims.


He is co-author of Bloomberg BNA Corporate Practice Portfolio Series No. 87-2nd, Legal Ethics for In-House Corporate Counsel.  This portfolio volume discusses the ethical issues that can arise in a variety of situations that inside counsel commonly must deal with, such as multijurisdictional practice, internal investigations, negotiations, outsourcing and supervising nonlawyers as well as the responsibility of inside counsel to undertake pro bono work. It also discusses indemnification of inside counsel by the corporation and insurance.