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Catherine O. Shames

Counsel

Counsel

Washington, D.C.
- D
  +1.202.688.3446

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Areas of Focus

Overview
Insights
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Overview

Catherine O. Shames is a counsel in the Washington, D.C. office of Crowell & Moring, where she is a member of the firmʼs Government Contracts Group.

Catherineʼs government contracts practice focuses on contract claims/disputes under the Contract Disputes Act (CDA), prime-sub disputes, transactional due diligence, mandatory disclosure investigations, and grants compliance. She also routinely contractors with cost allowability issues and responding to DCAA audits.

During law school, Catherine interned for the Honorable Lydia Kay Griggsby at the U.S. Court of Federal Claims. Catherine also completed several internships with the U.S. Department of Justice. Prior to law school, Catherine was a legal analyst at the nation’s largest military shipbuilding company where she gained valuable government contracts experience.

Career & Education

College of William & Mary Marshall-Wythe School of Law, J.D.
College of William & Mary, Mason School of Business, M.B.A.
Duke University, Sanford School of Public Policy, M.P.P.
Randolph-Macon Woman's College, B.A.
- College of William & Mary Marshall-Wythe School of Law, J.D.
- College of William & Mary, Mason School of Business, M.B.A.
- Duke University, Sanford School of Public Policy, M.P.P.
- Randolph-Macon Woman's College, B.A.
District of Columbia
Virginia
U.S. District Court for the Eastern District of Virginia
U.S. District Court for the Western District of Virginia
- District of Columbia
- Virginia
- U.S. District Court for the Eastern District of Virginia
- U.S. District Court for the Western District of Virginia

Catherine's Insights

Blog Post | 08.13.25

Grant Slam: New Executive Order Serves Up Changes for Federal Grants

Client Alert | 1 min read | 08.12.25
Grant Slam: New Executive Order Serves Up Changes for Federal Grants
Client Alert | 2 min read | 07.15.25
All Together Now: “Many Ways to Calculate Fee After a T4C”
Blog Post | 07.15.25
All Together Now: “Many Ways to Calculate Fee After a T4C

View All Insights

Insights

Blog Post | 08.13.25

Grant Slam: New Executive Order Serves Up Changes for Federal Grants

Client Alert | 1 min read | 08.12.25

Grant Slam: New Executive Order Serves Up Changes for Federal Grants

Client Alert | 2 min read | 07.15.25

All Together Now: “Many Ways to Calculate Fee After a T4C”

Blog Post | 07.15.25

All Together Now: “Many Ways to Calculate Fee After a T4C

Contractor Successfully Challenges Disallowed Research, Compensation Costs
|
05.04.23
Westlaw Today
Grant Slam: New Executive Order Serves Up Changes for Federal Grants
|
08.12.25
All Together Now: “Many Ways to Calculate Fee After a T4C”
|
07.15.25
DCAA Announces Reorganization Plans
|
04.09.25
Contractor Business Systems: Out With the Old, In With the New (Terminology)
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01.21.25
The FY 2025 National Defense Authorization Act: Key Provisions Government Contractors Should Know
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01.07.25
Third Time’s A Charm? Federal Circuit Once Again Sends CAS Dispute Back to the Court of Federal Claims
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10.08.24
Taking Care of Business (Systems): DoD Proposes to Change the Definition of a Business System Deficiency
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06.28.24
False Claims Act Settlement Illustrates Value of Disclosure and Cooperation
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05.02.24
OMB Final Rule Rewrites the Uniform Guidance for Grants, Cooperative Agreements, and Other Federal Financial Assistance
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04.25.24
Start the Clock: Government’s Indirect Cost Rate Claim Accrued upon Submission of Indirect Cost Rate Proposal
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02.22.24
View All Client Alerts
"Cost & Pricing: Making Cents Out of So Much Change," OOPS 2025: Government Contractors Reacting and Adapting to the New Administration, Tysons Corner, VA
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05.14.25
"What Will the New Year Bring for Government Contracts?" Crowell & Moring, 2025.
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01.09.25
"Cost & Pricing Trends on Our Radar," OOPS 2024: Government Contracts Weathering a Dynamic Forecast, Washington, D.C.
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04.18.24
“Accounting, Cost, and Pricing: Dollars and Sense,” 39th Annual Ounce of Prevention Seminar (OOPS 2023), Washington, D.C.
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05.09.23 - 05.10.23
“Cost & Pricing: Our Two Cents,” GC 101: Back to Basics, Washington, D.C.
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09.21.22
"Cost and Pricing: When Your Cost Recovery is in Jeopardy," Back Together Again for OOPS 2022, Washington, D.C.
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05.17.22
"Accounting, Cost, and Pricing," OOPS 2021, Crowell & Moring's 37th Annual Ounce of Prevention Seminar
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05.12.21
"Accounting, Cost, and Pricing," OOPS 20/20 - Setting Your Sights
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10.20.20
"Costs and Pricing: No Contract is Really Final," Government Contracts "101" - Back to Basics, McLean, VA
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10.23.19
"Accounting Cost & Pricing Compliance and Pitfalls," Government Contracts Breakfast Series, Herndon, VA
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09.18.19
Crowell & Moring Elects 12 New Partners, Promotes Four to Senior Counsel and 25 to Counsel
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01.02.25
Law360 Names Crowell & Moring's Government Contracts Group a "Practice Group of the Year" for the Ninth Consecutive Year
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02.22.19
It All Adds Up: What’s New with DCAA (May 2019)
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05.07.19
Grant Slam: New Executive Order Serves Up Changes for Federal Grants
|
08.13.25
Crowell & Moring’s Government Contracts Legal Forum
All Together Now: “Many Ways to Calculate Fee After a T4C
|
07.15.25
Crowell & Moring’s Government Contracts Legal Forum

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Practices

Catherine's Insights

Blog Post | 08.13.25

Grant Slam: New Executive Order Serves Up Changes for Federal Grants

Client Alert | 1 min read | 08.12.25
Grant Slam: New Executive Order Serves Up Changes for Federal Grants
Client Alert | 2 min read | 07.15.25
All Together Now: “Many Ways to Calculate Fee After a T4C”
Blog Post | 07.15.25
All Together Now: “Many Ways to Calculate Fee After a T4C

View All Insights

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