Laurence P. Wiener > Wiener Soto Caparrós > Buenos Aires, Argentina > Lawyer Profile

Wiener Soto Caparrós

Work Department

His practice currently extends to advising companies on acquisitions, finance, funding and repatriation of investments, and risk management. Laurence has served as adviser and director to various international subsidiaries.




Upon graduation from law school, Laurence joined LeBoeuf, Lamb Leiby & MacRae (precursor to Dewey & LeBoeuf) as an associate of the San Francisco office. There he worked on complex litigation matters, including the hostile takeover by British American Tobacco US of Farmers Insurance Group. He later represented both plaintiffs and defendants in securities fraud claims and in business tort litigation. He gained additional trial experience representing the trustee and creditors in federal and state law insolvency claims. Laurence has resided in Buenos Aires since 1991.

After studying at the Universidad de Buenos Aires and working as a professor at private institutions, he joined the law firm Muñoz de Toro & Muñoz de Toro, eventually becoming a partner and achieving a ground-breaking precedent for U.S. lawyers in Argentina. Laurence has advised issuers and underwriters on registered and exempted offerings of Argentine corporate debt, equity and convertible securities. From2001 until 2010, he was Of Counsel at Negri &Teijeiro Abogados and, in April 2010, he co-founded WIENER•SOTO•CAPARRÓS.


English and Spanish


He is an active member of the State Bar of California and of the American Bar Association, Section of International Law (Former Co-Chair, U.S. Lawyers Abroad Committee; Former Co-Chair Buenos Aires City Chapter).


University of California at Los Angeles (Los Angeles, California) (B.A., 1984) 

University of San Diego School of Law/ Ecole Supérieure des Sciences Economiqueset Commerciales (Paris, France) (Comparative Law Studies, 1985) 

University of California, Davis, King Hall School of Law (Davis, California) (J.D., 1987). Editor, U.C. Davis Law Review, 1986-87.

Lawyer Rankings

Argentina > Corporate and M&A

Put simply, Wiener Soto Caparrós is ‘truly focused on being an extension of the client’s internal legal team’. The ‘personable, practical and extremely responsive’ group advises on the full spread of incorporation, M&A and operational matters for clients such as Coca-Cola Andina Argentina, BAN Music Worldwide and Park Place Technologies. Recommended names include the ‘business-mindedLaurence Wiener and the ‘very responsive and professionalMariela del Carmen Caparros.