Party Litigation

The following are cases in which the U.S. Chamber of Commerce, represented by the U.S. Chamber Litigation Center, is participating as a direct party or as an intervenor. Cases with recent developments (such as a new legal filing or an outcome in the case) are listed first.

Chamber files motion for stay of DOL's Fiduciary Rule in the Fifth Circuit
U.S. Chamber Files Lawsuit Challenging Unlawful IRS Regulation
Oral Argument Approaching for Tenth Circuit Appeal in Challenge to “Waters of the US” Rule
U.S. Chamber Intervenes In Defense of Northern Long-Eared Bat’s Designation Under ESA as "Threatened"
Lawsuit Filed to Challenge New Department of Labor Rule That Prevents Financial Professionals from Best Serving Retirement Savers
Status: Decided
Fifth Circuit Stays Implementation of EPA’s Proposed “Regional Haze” Regulation
U.S. Chamber’s Lawsuit Dismissed in Challenge to Seattle’s Drivers’ Union Ordinance
Status: Defeat

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