Carl Blumenstein specializes in complex business litigation, primarily insurance coverage, commercial and employment law disputes. For more than 30 years, he has provided counsel and representation to clients in trial and appellate courts and in myriad disputes.
On behalf of policyholders, he has recovered millions of dollars from insurance companies for environmental, employment, and intellectual property matters. Carl represented one of the world's leading manufacturers of TFT-LCD panels in a high-profile criminal and civil antitrust proceeding which attracted national media attention. He has also represented private and public entities and individuals in employment disputes, real estate lease disputes, constitutional and privacy disputes. Over the past decade, Carl, a user-friendly neutral, has mediated more than 70 civil disputes. He serves on the mediation panel for the United States District Court in San Francisco.
Carl clerked for the Honorable Charles A. Legge, District Judge of the United States District Court in San Francisco, and also for the Honorable Daral G. Conklin, United States Magistrate for the District of Hawaii.
Goleta Water District v. Slippery Rock Ranch, LLC. Successfully tried high-profile water rights dispute on behalf of public water district, to defeat an attempted private appropriation of water resources.
Associated Industries Ins. Co. v. Foothill/Eastern Transportation Corridor Agency. Representing public agency in multi-million dollar insurance coverage dispute arising from class action alleging privacy violations.
Young v. CEP America-California. Represented group of emergency room physicians in alleged statewide class action and PAGA action for wage and hour violations.
SF Urban Forest Coalition v. San Francisco County Transportation Authority. Successfully defended state agency against efforts to subject it to local regulation.
In re TFT-LCD Antitrust Litigation. Represented global manufacturer of TFT-LCD panels in complex multi-district antitrust litigation and related opt-out and state enforcement proceedings. Defended client in five-week trial against national retailer. The cases raised cutting-edge issues that resulted in pivotal decisions by circuit courts and U.S Supreme Court.
Aerojet-General Corp. v. Fidelity & Casualty Ins. Co. Represented policyholder in action seeking reimbursement of defense and indemnity expense in connection with allegations of chemical releases arising from TCE (and other VOCs), in addition to NDMA and perchlorate exposure at, and near, Azusa site.
Aerojet-General Corp. v. Transport Indem. Co. (17 Cal. 4th 38 (1997)). Represented policyholder seeking reimbursement of defense and indemnity expense in connection with historical chemical releases at Sacramento site. Obtained landmark appellate decision, holding that investigative expenses are recoverable as defense expenses.
Retail Digital Network, LLC v. Prieto (9th Cir. 2017). On behalf of California craft breweries, prepared successful amici curiae brief in en banc rehearing, resulting in decision that rejected First Amendment challenge to tied house statutes.
LSI Corporation. Successfully defended high-tech client in an alleged lease agreement breach. After prevailing on summary adjudication motion, case proceeded to trial, and client obtained affirmative recovery.
American States Water Co. v. Aerojet-General Corp. Defended aerospace manufacturer against utility’s claims arising from alleged chemical contamination of groundwater.
Children's Hospital and Research Center, Oakland v. WCAB, 2010 Cal.App. Unpub. LEXIS 8027. Successfully invoked statutory and constitutional privacy protections to obtain Court of Appeal decision that protected confidentiality of medical files of HIV-infected children.
Photon Dynamics, Inc. v. Nat'l Union Fire Ins. Co. Filed lawsuit against D&O and EPL insurers and successfully recovered defense expenses after high-tech client obtained jury verdict on securities and misrepresentation claims in lawsuit by former officer.
City of Richmond v. Levin Enterprises. Pursued insurers who provided coverage dating back over 40 years and successfully obtained nearly complete recovery of settlement and defense expenses incurred by client—all without filing litigation.
Trend Micro. Obtained insurance reimbursement for litigation expenses, without filing lawsuit, in high-stakes patent infringement litigation for a software manufacturer.
Title insurance matter. Successfully asserted owners' rights and obtained a settlement from the title insurer, without filing suit, when owners of a historically significant live-work space learned that the title policy had failed to disclose a 100-year old deed that threatened rights to access the property.
- Fall 2016 | California Health Law News
- 10.29.2015 | Law360
- 01.01.2014 | Today's General Counsel
- Los Angeles Chapter of Risk and Insurance Management Society Monthly Education Event11.14.2018
- 2018 Annual California Political Attorneys Association Retreat09.15.2018
- Association of California Water Agencies' 2018 Spring Conference & Exhibition05.10.2018
- California Association of Health Plans' 32nd Annual Conference10.10.2017
- Urban Water Institute’s 24th Annual Water Conference08.18.2017
- Insurance for Cyber Threats to the Healthcare Industry: Do you have what you need (and what to do if you don’t?)California Society for Healthcare Attorneys 2016 Annual Meeting & Spring Seminar04.09.2016
- Silicon Valley Association of General Counsel’s 27th Annual All Hands Meeting10.28.2015
- Dodging Bullets at the O.K. Corral: How to Investigate and Resolve the Many Issues that Arise in a Questionable Jewellery Loss Without Resorting to Cowgirl Tactics or Litigation2014 Malta Conference10.24.2014
- Carl Blumenstein, Nossaman Litigation Partner, Quoted In Daily Journal On Widely-Watched Water Rights Case03.06.2017 | Daily Journal
- Carl Blumenstein, Nossaman Litigation Partner, Quoted In Santa Barbara News-Press On Water Rights Case10.27.2016 | Santa Barbara News-Press
- 09.30.2016 | Los Angeles Times
- 08.05.2015 | Super Lawyers
- 07.03.2014 | Super Lawyers
- 06.20.2014 | Law360
- 07.08.2013 | Super Lawyers
- 04.22.2013 | Law360
- 07.06.2012 | Super Lawyers
- 07.18.2011 | Super Lawyers
- 05.22.2003 | Nossaman News Release
Community & Professional
Appointed mediator to the United States District Court, Northern District of California, 2019
Honors & Recognitions
AV Preeminent® Peer Review Rated by Martindale-Hubbell
Selected to the Northern California Super Lawyers list for 2004, 2011-2018
- University of California, Berkeley School of Law, J.D., 1986
- Princeton University, A.B., 1982, cum laude
- U.S. Court of Appeals, Ninth Circuit
- U.S. District Court, Central District of California
- U.S. District Court, Eastern District of California
- U.S. District Court, Northern District of California
- U.S. District Court, Southern District of California
- U.S. Supreme Court