Federal Tax Suits Cases filed in Colorado
Cases 1 - 10 of 49
Callista Corporation v. Internal Revenue Service et al
as 1:2026cv00083
Plaintiff: Callista Corporation
Defendant: Internal Revenue Service and USA
Cause Of Action: 26 U.S.C. § 6532 IRS: Refund of Tax Penalty
TMT Springs, Inc. v. Resource Management Systems, Inc. et al
as 1:2025cv02999
Defendant: Ronald D Hamann, Resource Management Systems, Inc., Ronald Daniel Hamann and others
Plaintiff: TMT Springs, Inc.
Cross-Defendant: Internal Revenue Service
Cross-Plaintiff: Ronald D Hamann and Resource Management Systems, Inc.
Counter-Claimant: Ronald D Hamann and Resource Management Systems, Inc.
Counter-Defendant: Internal Revenue Service
Cause Of Action: 28 U.S.C. § 1446 bc - Notice of Removal -- Breach of Contract
Mackey v. US Department of the Treasury et al
as 1:2025cv02795
Plaintiff: Waldo Mackey
Defendant: US Department of the Treasury, Internal Revenue Service and Scott Bessent
Cause Of Action: 28 U.S.C. § 1331 Fed. Question: Taxes
Gay et al v. Internal Revenue Service
as 1:2024cv03437
Plaintiff: Philip T. Gay and Jean M. Gay
Defendant: Internal Revenue Service
Cause Of Action: 28 U.S.C. § 1331 Fed. Question: Taxes
Botanico, Inc. v. City and County of Denver et al
as 1:2022cv01962
Plaintiff: Botanico, Inc.
Defendant: City and County of Denver, Dept. of Revenue State of Colorado, Internal Revenue Service and others
Cause Of Action: 28 U.S.C. § 1441 Petition for Removal- Injunctive/Declarato
Maehr v. Internal Revenue Service et al We have downloadable decisions or orders for this case
as 1:2022cv00830
Plaintiff: Jeffrey T. Maehr
Defendant: Internal Revenue Service and USA
Cause Of Action: 26 U.S.C. § 6502 IRS:Enforcement of tax liens
Crownhart v. Internal Revenue Service
as 1:2021cv01167
Defendant: Internal Revenue Service
Plaintiff: Brittany Crownhart
Cause Of Action: 26 U.S.C. § 7422
USA v. Cantliffe et al We have downloadable decisions or orders for this case
as 1:2019cv00951
Plaintiff: USA
Defendant: Ocwen Loan Servicing, LLC, David L Cantliffe, Colorado Department of Revenue and others
Cause Of Action: 26 U.S.C. § 7401
USA v. Bartelds et al
as 1:2019cv00082
Defendant: Bridget F. Bartelds, Estate at Lone Tree Homeowner's Association, Inc., The, Adam Smith and others
Plaintiff: USA
Cause Of Action: 26 U.S.C. § 7403
Maehr v. Internal Revenue Service, et al. We have downloadable decisions or orders for this case
as 1:2018cv02273
Defendant: IRS, Internal Revenue Service, U.S. Congress and others
Plaintiff: Jeffrey T. Maehr
Cause Of Action: 28 U.S.C. § 1331

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