Author Archives: Andreas R. Ziegler

Registration is open for SOGI Law Summer School 2026

Registration is open for SOGI Law Summer School 2026

We are excited to announce the hashtag#SexualOrientation and hashtag#GenderIdentity in hashtag#internationallaw (hashtag#SOGILaw) summer school.

The five-day summer school on SOGI 2026 in International Law is held at Leiden University; in 2026 from 29 to 31 July in the Hague and continuing on 3 and 4 August in Leiden. The dates for 2026 have been chosen to allow participants to also take part in the WorldPride Human Rights Conference (5 to 7 August in Amsterdam) and other events of WorldPride, EuroPride and Pride Amsterdam (all from 25 July to 8 August).


This year’s edition is directed again by Prof. Andreas R. Ziegler (President of the Swiss Society of International Law as well as a Full Professor at the University of Lausanne who was the leading force behind the publication of the hashtag#OxfordHandbookonLGBTILaw 2026 (hashtag#SOGIESC)) and Elias Tissandier-Nasom, PhD candidate at Leiden Law School. Professor Kees Waaldijk, the founder of this programme, continues to serve as honorary co-ordinator.


Curious about what this year’s edition has to offer?

Visit our website and register now: https://www.paoleiden.nl/cursusaanbod/2026/summer-school-sexual-orientation-and-gender-identity-in-international-law-2026/

Invitation to submit your views and news on SOGIESC issues

Invitation to submit your views and news on SOGIESC issues

Just as a reminder: Everyone is welcome to submit information or thoughts on SOGIESC issues on this page and the related social media accounts. We welcome submissions of any kind.

Send your communications by email to: andreas.ziegler@unil.ch

USA: FTC issues antitrust warning to law firms over diversity certification program

USA: FTC issues antitrust warning to law firms over diversity certification program

The US Federal Trade Commission (FTC) on Friday issued warning letters to 42 law firms, explaining that their participation in a diversity certification program may violate federal antitrust laws.

The letters from FTC Chairman Andrew Ferguson targeted firms enrolled in the Mansfield Certification program, operated by consulting company Diversity Lab. According to the company’s “Meet Our Team” page, 18 of Diversity Lab’s 19 listed employees are women. The Mansfield program requires participating firms to ensure at least 30 percent of candidates considered for leadership roles and promotions come from “underrepresented” groups. According to Diversity Lab, more than 360 law firms have achieved “Mansfield Certification.” The recipients of Friday’s warning are some of the largest law firms in the nation, collectively employing over 50,000 attorneys. 

Ferguson’s letter argued that the coordinated implementation of hiring benchmarks among competing firms may constitute anticompetitive collusion efforts. The FTC chairman cited monthly “knowledge-sharing” calls where participating firms discuss strategies for meeting diversity goals. This signals a traditional antitrust plus factor, the exchange of competitively sensitive information, because the participating firms are presumed to be competing within the same pool of available talent. The FTC explains that this exchange of information may violate antitrust laws by depressing wages below market rates. In a statement, Ferguson noted:

Potentially anticompetitive collusion between law firms on DEI metrics can include quotas by which they agree to compose panels of job candidates based on race, sex, or other personal characteristics other than the candidate’s merit, or by which law firms agree to make final decisions about hiring and promotions based on those personal characteristics…Such agreements can distort competition for labor in legal professions, including along dimensions like hiring decisions, pay, and promotions.

Friday’s warning points to Section 1 of the Sherman Act and Section 5 of the FTC Act, laws which are traditionally applied to prevent price-fixing and market manipulation. Ferguson extended these legal protections to labor markets, arguing that coordinated hiring practices might suppress competition for legal talent and impact compensation and working conditions. The letter emphasized it is not an accusation of wrongdoing but instead a notification of potential legal exposure. The letters recommended that firms review their relationships with Diversity Lab and competitors to ensure compliance with antitrust obligations.

This comes amidst ongoing efforts by Donald Trump’s administration targeting Diversity, Equity, and Inclusion (DEI) programs both in the government and the private sector. Last March, the Equal Employment Opportunity Commission (EEOC) issued letters to 20 prominent “Big Law” firms expressing concerns that their DEI initiatives may violate federal anti-discrimination laws; the following month, Executive Order 14263 was signed, focusing on alleged “unlawful discrimination” at the law firm Susman Godfrey. Last August, the US Supreme Court upheld a National Institute of Health (NIH) policy terminating grants for research related to DEI objectives.

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