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Detecting Bid Rigging and Collusion

Wednesday, April 5, 2023
2:30 PM - 4 PM
Cost: FREE
Credits: CLE (Pending Approval)



Registration closes on Wednesday, April 5 at 2 PM. All registrants will also receive a link to view the webinar recording.
We can only provide certificates of attendance to those who register and attend the live webinar.

Webinar Overview

Do you review bid solicitations? Do you know the signs of bidder collusion? For this webinar, three Assistant Attorney Generals from the Washington State Office of the Attorney General will give you the legal background on why competitors coordinating on bids is illegal, and teach you how to identify potential signs of collusion.

Educational Objectives

During this presentation, attendees can expect:

  • A brief summary of antitrust and bid rigging laws
  • Examples of past bid rigging cases
  • A simulation to help the audience identify potentially rigged bids
  • Information about the role of procurement and contract professionals in detecting and reporting bid rigging

Who Should Attend?

Attorneys, procurement professionals, grant managers, and contracts professionals who review bid solicitation responses.


  • Rachel Lumen, Assistant Attorney General, AGO Antitrust Division. Rachel is an Assistant Attorney General in the Antitrust Division and has worked there since April 2022. She began her work as an AAG in 2018 with the Licensing and Administrative Law Division where she represented the Employment Security Department and Department of Licensing in administrative appeals and helped advise client agencies on contracts. Prior to joining the office she worked in procurement for a telecom, negotiating contracts and procuring marketing and supply chain services. She attended Seattle University School of Law, graduating in 2014 where she served as an editor on Law Review and wrote a published article on reverse payment settlements, a pharmaceutical antitrust issue. In her free time she loves to play complex strategy board games and spend time with her husband and two daughters.
  • Paula Pera, Assistant Attorney General, AGO Antitrust Division. Paula is an Assistant Attorney General in the Antitrust Division. Prior to joining the Antitrust Division in 2019 she worked in the Mergers and Studies Division of the FNE, the Chilean competition agency, and in the law firm FerradaNehme. She holds an LL.B. summa cum laude from Universidad de Chile Law School, where she wrote her Law School thesis on Conglomerate Mergers and inter-market merger risks. She also holds an LL.M. in Global Business Law from UW Law School, where she wrote her Graduate Paper on International Cooperation in antitrust merger review, and obtained an Academic Excellence Award. She is barred in Chile and Washington State, and has focused her practice on antitrust law. In her free time she likes to bake (mostly Chilean treats), and teach her two little kids her best recipes.
  • Dalvin Yarbrough, Assistant Attorney General, AGO Antitrust Division. Dalvin is an Assistant Attorney General in the Antitrust Division and has worked there since November 2022. Before then, he worked in the AGO’s Tacoma Division handling workers’ compensation claims, jury trials, and Department of Licensing appeals to superior court. He began his legal career in 2020 when he joined the office through the AGO Honors Program. He attended the University of Washington School of Law where he served on the Moot Court Honor Board and as the Online Editor for the Washington Journal of Law, Technology, and Arts. He is a proud native of Federal Way, Washington.


This training is eligible for: