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What We’ve Achieved
Explore the high-impact results Calvert Law Firm has delivered in complex litigation and major transactions where strategy, focus, and execution made all the difference.
Calvert Law Firm

Case Results
- $66+ million Jury Verdict Fraud and breach of fiduciary duty
- $27 million Jury Verdict Bad faith refusal to settle an insurance claim
- $8 million Jury Verdict Bad faith refusal to settle an insurance claim
- $500,000 Punitive Damage Verdict Bad faith denial of insurance coverage
- $1.5+ million Verdict Securities fraud
- Jury Verdict Confirming Ownership of Royalty Jury verdict for our client, confirming ownership of 1,500-acre royalty
- Jury Verdict Denying $5.5 Million Claim Jury verdict for our client, denying $5.5 million claim for breach of contract and fraud.
- $4+ million settlement Trespass
- $5+ million settlement Truck wreck
- $4+ Million Settlement Insurance bad faith
- $2+ million Settlement Insurance bad faith
- Confidential settlement Auditing malpractice resulting in over $30 million in damages
- Confidential settlement Tax accountant malpractice
- Confidential settlement Legal malpractice and conflict of interest
- Confidential settlement Medical malpractice

Opinions
- United Planners Fin. Servs. of Am., L.P. v. Sac & Fox Nation, 654 F. App’x 376 (10th Cir. 2016) (tribal sovereign immunity)
- Nationwide Mut. Ins. Co. v. Prater, 638 F. App’x 659 (10th Cir. 2015) (insurance bad faith)
- Yeaman v. Hillerich & Bradsby Co., 570 F. App’x 728 (10th Cir. 2014) (product liability)
- Cohlmia v. St. John Med. Ctr., 749 F.3d 1175 (10th Cir. 2014) (Health Care Quality Improvement Act (HCQIA))
- Automax Hyundai S., L.L.C. v. Zurich Am. Ins. Co., 720 F.3d 798 (10th Cir. 2013) (insurance bad faith)
- U.S. ex rel. King v. Hillcrest Health Ctr., Inc., 264 F.3d 1271 (10th Cir. 2001) (medicare fraud qui tam)
- Almeida v. BOKF, NA, 471 F. Supp. 3d 1181 (N.D. Okla. 2020) (breach fiduciary duty)
- United Planners Fin. Servs. of Am., L.P. v. Sac & Fox Nation, No. CIV-14-1278-HE, 2015 WL 3756181 (W.D. Okla. June 16, 2015), aff’d, 654 F. App’x 376 (10th Cir. 2016) (tribal sovereign immunity)
- Swain v. Swain, No. CIV-15-121-FHS, 2015 WL 13203398 (E.D. Okla. June 2, 2015) (insurance bad faith / federal removal)
- Howard Pontiac-GMC, Inc. v. C.I.R., 74 T.C.M. (CCH) 45 (T.C. 1997) (income tax)
- Harrison v Mercy Hosp. Okla. City, Inc., No. 120,678 (Okla. Civ. App. Oct. 12, 2023) (negligence / medical malpractice)
- Estate of J. Jerry Dickman, No. 121,157 (Okla. Civ. App. Feb. 23, 2024) (loan / probate)
- Falcone v. Liberty Mut. Ins. Co., 2017 OK 11, 391 P.3d 105 (insurance bad faith)
- Clabaugh v. Grant, 2015 OK CIV APP 33, 347 P.3d 1044 (banking)
- Hebble v. Shell W. E & P, Inc., 2010 OK CIV APP 61, 238 P.3d 939 (oil & gas)
- Estate of Claralyn Brooks Trickett, 13-19-00154-CV, 2020 WL 6164324 (Tex. App. Oct. 22, 2020), review denied (June 3, 2022) (mineral interest / probate)
- Brooks-PHS Heirs, LLC v. Bowerman, 05-18-00356-CV, 2019 WL 1219323 (Tex. App. Mar. 15, 2019) (mineral interest / probate)


The Strategic Edge: Business Law Solutions for Modern Companies
In today’s ever-changing business environment, companies of all sizes need more than basic legal services. They need a law firm that understands their ambition, anticipates risk, and delivers practical, strategic solutions. Calvert Law Firm serves as a trusted partner for sophisticated businesses, offering counsel and advocacy that adapts to the demands of the market and the realities of leadership.
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Settlement Strategies in High-Stakes Litigation
Learn how Calvert Law Firm develops settlement strategies that align with client goals in even the most challenging, high-stakes cases.
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30+
Years representing clients in complex litigation and business transactions since 1990.
$1B+
In total deal value negotiated across national mergers and acquisitions.
100+
Trial verdicts, settlements, and resolved high-stakes disputes across multiple states.
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