John O’Brien

Of Counsel

jobrien@cordatislaw.com

Experience

Computer Sciences Corporation

B-412163.3, B-412163.4, Jan. 4, 2016, (2016 WL 106073)

XTec, Inc.

B-410778.3 , Oct. 1, 2015, 2015 CPD ¶ 292

Savantage Financial Services, Inc.

B-411647, B-411647.2, Sept. 17, 2015, 2015 CPD ¶ 286

Tantus Technologies, Inc.

B-411608, B- 411608.3, Sept. 14, 2015, 2015 CPD ¶ 299

CPS Professional Services, LLC

B-409811, B-409811.2, August 13, 2014 2014 CPD ¶ 260

Strijder Group K9, LLC

B-409139.2, May 1, 2014, 2014 CPD ¶ 142

General Dynamics Ordnance & Tactical Systems

B-408001, May 13, 2013, 2013 CPD ¶ 121

ESCgov, Inc.

B-407107.2, Oct. 9, 2012

NCS Technologies, Inc.

B-406306.3, Sept. 17, 2012, 2012 CPD ¶ 259

Distributed Solutions, Inc. v. United States

106 Fed. Cl. 1 (2012) PricewaterhouseCoopers LLP, B-40678, Aug. 3, 2012, 2012 CPD ¶ 227

The Clay Group, LLC

B-406647, B-406647.2, Jul. 30, 2012, 2012 CPD ¶ 214

Raytheon Company

B-403110.3, Apr. 26, 2011, 2011 CPD ¶ 96

Technology Concepts & Design, Inc.

B-403949.2, B-403949-3, Mar. 25, 2011, 2011 CPD ¶ 78

Linc Government Services LLC v. United States, et. al.

96 Fed. Cl. 672 (2010)

Calnet, Inc., B-402558.2, et. al.

Je. 3, 2010, 2010 CPD ¶ 130 SOS International, Ltd., B0402558.3, et. al.¸ Je. 3, 2010, 2010 CPD ¶ 131

Articles

Published on:January 27, 2025

Sometimes the sole-source is the right source

After our client Hydraulics International, Inc. won a sole-source contract from the Army for an Aviation Ground Power Unit, a competitor filed a GAO protest arguing that it should have been allowed to compete for the contract. A Cordatis team consisting of David Cohen, John O'Brien, Pablo Nichols, and Rhina Cardenal intervened and successfully defended the protest.

Published on:January 13, 2025

Another successful intervention

A Cordatis team consisting of David Cohen, Pablo Nichols, and John O'Brien successfully defended our client Unison Software against a protest from CGI Federal. In its decision, GAO rejected CGI's arguments related to the Nuclear Regulatory Commission's assessment of FedRAMP eligibility and evaluation of the proposals.

Published on:December 21, 2024

When in doubt – intervene!

John O'Brien recently protected our client's contract in a post-award GAO protest. In affirming the award, GAO rejected the protestor's arguments about corporate experience.

Published on:December 12, 2024

Protest win with attorney fees

A Cordatis team consisting of Laurel Hockey, Daniel Strouse, John O'Brien, and Rhina Cardenal won a protest on behalf of our client ATP Gov, LLC. In its decision, GAO agreed with our argument that the awardee was ineligible because it had proposed portable satellite terminals that did not meet the solicitation's material requirements. Even better, GAO directed NASA to pay our attorney fees.

Published on:November 25, 2024

Another successful protest intervention

A Cordatis team consisting of David Cohen and John O’Brien successfully defended the Department of Veterans Affairs’ decision to award a contract to Deloitte Consulting for enterprise software development services.

Published on:July 25, 2024

Cordatis prevails in GAO protest alleging an organizational conflict of interest

A Cordatis team consisting of David Cohen and John O'Brien successfully defended Deloitte & Touche's contract award in a bid protest claiming that the Department of Defense failed to investigate and mitigate an alleged organizational conflict of interest.

Published on:May 13, 2024

Cordatis protest win snatches victory from the jaws of defeat

A Cordatis team consisting of Daniel Strouse, Pablo Nichols, John O'Brien, Jason Moy, and Rhina Cardenal recently won a post-award protest on behalf of our client ITillity, LLC.

Published on:January 22, 2024

Cordatis successfully defends the IRS’s award of a BPA award to Allicent Technology, LLC

A Cordatis team consisting of Daniel Strouse and John O'Brien successfully defended the award of an IRS BPA to Allicent Technology, LLC.

Published on:January 18, 2024

Cordatis wins GAO bid protest for Deloitte Consulting, LLP

A Cordatis team consisting of David Cohen, John O'Brien, Pablo Nichols, and Jason Moy recently won a post-award GAO protest Deloitte Consulting.

Published on:November 20, 2023

Cordatis wins GAO protest for Obsidian Global, LLC

A Cordatis team consisting of David Cohen and John O'Brien successfully defended the award of an Air Force contract to Obsidian Global. In its decision, GAO rejected the protestor's arguments and agreed that the Air Force correctly awarded the contract to our client.

Published on:June 19, 2018

Bid Protests Challenging “Other Transaction Agreement” Procurements

Published on:May 29, 2018

Should I File a Bid Protest at GAO?

Published on:November 23, 2016

Grant and Cooperative Agreement Protests: A Changed Landscape

Published on:July 26, 2009

E-Verify Rules Delayed Again

E-Verify Rules to go into effect September 8, 2009.

Areas of Specialization

Education

University of Virginia (B.S., Commerce, 1981); Marshall Wythe School of Law, College of William & Mary (J.D. 1985).

Bar & Court AdmissionsAdmitted to bar, 1985, Virginia; 1986, Washington, D.C.

Leadership & Community InvolvementU.S. District Court for the Eastern District of Virginia, U.S. Court of Appeals for the Eleventh Circuit, United States Court of Federal Claims, United States Court of Appeals for the Federal Circuit.

Prior Experience1985-1987, Associate, Lewis, Mitchell & Moore; 1987-1990, Associate, Piper & Marbury; 1990-1995, Associate, Arent, Fox, Kintner, Plotkin & Kahn; 1995-1998, Of Counsel, Pompan, Murray, Ruffner & Werfel; 1998-present, Of Counsel, Cohen Mohr.