César Ramos


+52 (55) 5047-7500 Ext. 2206


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Universidad La Salle, B.S. Electrical Engineering and specialization in electronics, with honors.

Instituto Tecnológico Autónomo de México, M.B.A., with honors.


Mexican Association for the Protection of Intellectual Property (AMPPI), former Vice-President.

Licensing Executive Society International (LESI), former Mexican delegate.

American Intellectual Property Law Association (AIPLA)

AIPLA IP Practice in Latin America Committee

Inter-American Association of Intellectual Property (ASIPI)

Fédération Internationale Des Conseils en Propriété Intellectuelle (FICPI)

International Association for the Protection of Intellectual Property (AIPPI)

Cesar is a Partner at Calderon & De la Sierra and is the head of the Patent Department.


He was a partner in Olivares from 1998 to 2015, where he acted as the managing partner for the Patent practice group and worked for Telmex, one of the largest telephone and Internet companies in the world, and Monsanto, a global provider of technologies and products for the automotive industry and agriculture. His profound technical knowledge of the telecommunications, software and automotive markets coupled with his advanced degree in Engineering positions him as an excellent resource for his clients.


He has represented some of the leading innovator companies in the world as he focuses his practice in the areas of telecommunications, electronics, software, energy, diagnostic and medical devices, consumer products and pharmaceuticals. His practice is primarily in the area of patent prosecution, but he frequently serves as a technical advisor in litigation support as he brings expert level understanding of patents.


Cesar has published articles and papers related to Mexican Patent Law and has participated as a speaker at conferences, both nationally and internationally.

  • IAM Patent 1000 – Recommended Individual (Patent Prosecution)


  • World’s Guide to the Leading Patent Law Practitioners, Tier 1


  • Leaders League


  • Managing Intellectual Property IP Stars


  • The Legal 500



  • ICGL: Patents, Mexico Chapter (2012-2014)


  • Getting the Deal Through: Patents, Mexico Chapter (2007-2015)


  • Patents in 30 jurisdictions Worldwide: Mexico Chapter (2012)


  • Comments to the IP Law by AMPPI, Chapter V “Patent Prosecution”, Ed. Porrua (2015)