Claus is Founding Partner of Von Wobeser y Sierra, S.C. with more than 40 years of experience in dispute resolution.
He is renowned for his advocacy skills and strategic thinking in highly complex disputes both in litigation and arbitration proceedings. He has acted in more than 200 international arbitration and conciliation proceedings, either as arbitrator or counsel, as per the rules of the ICC, ICDR, LCIA, HKIAC, UNCITRAL, NAFTA, ICSID and ICSID Additional Facility. Currently, he is Vice President of the Latin American Arbitration Association. Claus has received numerous accolades that recognize him as a leading figure in arbitration at an international level. Claus has served as VP of the International Court of Arbitration of the ICC, as Co-Chair to the IBA Arbitration Committee and as President of the Arbitration Commission of the Mexican Chapter of ICC. Additionally, Claus frequently participates as an expert in arbitration proceedings as well as on proceedings related to Mexican law before U.S. and English courts. Moreover, Claus also has ample experience litigating both in arbitration and in Mexican court with regards to a wide array of matters such as complex patent disputes, shareholder disputes, breach of contract and tortious liability, amongst others.
In November 2017, Claus won the Lifetime Achievement Award from Chambers & Partners for his contribution to the legal profession. He has been recognized by Chambers & Partners Global, Chambers & Partners Latin America, Global Arbitration Review 100 (GAR 100), Legal 500, Latin Lawyer 250, LACCA, Who´s Who Legal and Best Lawyers, among others.
Representative of San Benedetto in the ICC arbitration filed by PEAMSA (Peñafiel), related to the consumer beverages sector. USD millions.
Representative of Gasoductos del Sureste and Gasoductos de Chihuahua in the ICC case filed by the company Techint, related to the construction of a pipeline. USD $69 million.
Representative of CONPROCA in an ICC arbitration against Pemex. USD $400,000,000.
Representative of Anheuser-Busch Companies, Inc., Anheuser-Busch International, Inc. and Anheuser-Busch International Holdings in an ad hoc UNCITRAL arbitration filed by Grupo Modelo, S.A.B. de C.V. et al, related to the consumer beverages sector. USD $1.6 billion.
Sole Conciliator under the ICSID Conciliation Rules in a conciliation between Equatorial Guinea v. CMS, related to a dispute from the sale of hydrocarbons.
President of the Tribunal in the ICSID annulment proceeding Ioan Micula, et al v. Romania, related to the annulment of an award issued against Romania. €84 million.
Co-arbitrator in the ICSID arbitration between Edenred v. Hungary, related to the food voucher services sector. €108.6 million.
Co-arbitrator in an arbitration before the Stockholm Chamber of Commerce in the case Isolux Infraestructura Netherlands v. Kingdom of Spain, related to the solar power sector. €9,968,000.
Co-arbitrator – in several ICC arbitrations among Grupo Unidos por el Canal, S.A., SACYR, S.A., SALINIIMPREGILO, S.P.A., JAN de NUL, N.V. v. Panama Canal Authority (active cases), related to the construction of the Panama Canal.
Legal expert of COMISSA before Judge Hellerstein of New York, in the proceeding for the enforcement and recognition of the Award against PEMEX. USD +$300,000,000.