William R. Sears
Quinn Emanuel Urquhart and Sullivan LLP
- Address of record
- 865 S. Figueroa Street, 10th Floor, Los Angeles, CA 90017, (213) 443-3000
- Phone
- (213) 443-3000
- Fax
- Fax 213-443-3100
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
CCell Cannabis Vaporizer Products Antitrust Class Action
A proposed class action alleges that CCell engaged in anticompetitive conduct related to its closed cannabis oil vaporization systems and components. The lawsuit appears to concern pricing, distribution, or other allegedly illegal competitive practices affecting consumers who purchased these vaporization products.
- Filed
- October 6, 2025
- Represents
- Shenzhen Smoore Technology Company, Limited, Smoore International Holdings Limited
Shenzhen Smoore Technology Antitrust Class Action
Summit Industrial Solutions LLC filed a proposed class action against Shenzhen Smoore Technology Co. Ltd., apparently alleging federal antitrust violations. The docket indicates the case may be related to and consolidated with other cases, but specific factual allegations are not detailed in the available entries. These are allegations in a newly filed case, not proven facts.
- Filed
- April 17, 2025
- Represents
- Shenzhen Smoore Technology Co. Ltd.
Cannabis Oil Vaporizer Antitrust Class Action
A proposed class action against distributors of closed cannabis oil vaporizer systems and components. The case appears to allege antitrust violations that affected indirect purchasers of those products. These are allegations in a newly filed case, not proven facts and not yet a settlement.
- Filed
- December 16, 2024
- Represents
- Shenzhen Smoore Technology Company, Limited, Smoore International Holdings Limited
Ticketmaster Fee Class Action
Plaintiffs allege that Ticketmaster and Live Nation engaged in anticompetitive conduct by using exclusive dealing, coercive tying arrangements, and economic threats to maintain monopoly power in primary ticketing services and concert promotion for major concert venues. As a result, class members claim they were overcharged on ticketing fees.
- Claim deadline
- Represents
- Skot Heckman, Luis Ponce, Jeanene Popp, Jacob Roberts
“Recovery” and “exposure” refer to total disclosed settlement funds in associated cases, not money personally won or lost by an attorney. Settlements generally resolve disputed allegations without a finding that either side won. Data comes from public court dockets and may be incomplete.