Ana Teresa Barreto

Of Counsel

Professional Experience

Ana Teresa advises national and international clients on the strategy, management, protection, exploitation and defense of industrial and intellectual property assets in Peru and abroad. She represents important national and international companies in the management of their industrial and intellectual property portfolios in multiple sectors.

Ana Teresa has extensive experience in copyright advice and proceedings as well as reviewing and drafting contracts on copyright and technology issues such as software licenses, among others. Likewise, she advises clients on unfair competition procedures and advertising regulation.

Ana Teresa has experience advising the R&D departments of companies for efficient and safe management of the innovation cycle and the intellectual property involved in new developments.

Today, Ana Teresa co-leads the Latin America Intellectual Property & Technology Practice for DLA Piper along partner Paula Mena Barreto (Brazil).



Instituto de Studies Superiores San Pablo CEU Madrid, España (1999)
Master's Degree in Law Specializing in Private Law.
Universidad de Lima (1996)
Lawyer – Suma Cum Laude.
Universidad de Lima (1995)
Bachelor’s Degree in Law and Political Sciences.


WTR 1000: “Bronze” in Intellectual Property (2023).
Leaders League: “Recommended” in IP Litigation, Trademark Prosecution (2021 – 2023); Patent Prosecution, Enforcement & anti-counterfeiting actions (2021).
IAM Patent 1000.
Chambers and Partners: Ranked Lawyer (2014 - 2015).


Lima Bar Association.
Peruvian Association of Industrial Property and Copyright (APPI).
Inter- American Association of Intellectual Property (ASIPI).
International Trademark Association (INTA).
International Association for the Protection of Intellectual Property (AIPPI).


On November 9, Of Counsel Ana Teresa Barreto Guinea and Principal Associate Daniel Flores Consiglieri represented DLA Piper Peru in a regional webinar together with lawyers from DLA Piper and the cooperation firm Campos Mello Advogados, in which they discussed the data transfer rules in the countries of the European Union and Latin America, how they affect your business processes and the potential risks they may present.
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Of counsel Ana Teresa Barreto Guinea, participated in the Investment Arbitration Committee Session - "Is commercial or investment arbitration the appropriate forum to resolve intellectual property disputes?", organized by the International Chamber of Commerce Mexico.
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Of Counsel, Ana Teresa Barreto, participated in the DLA Piper’s webinar “Software and Technology licenses in LATAM and Cross-Border deals”, on November 18th, 2021.
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Of Counsel, Ana Teresa Barreto, participated as a speaker on September 24th with the topic "Main infringements and violations of intellectual property" at the Specialization Program in Competition Law and Intellectual Property organized by the Commercial Law Team of the Pontificia Universidad Católica del Perú.
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Areas of focus

Intellectual Property.
Life Science.

Areas of focus

Intellectual Property.

New/ Insights

“Franchising in Latin America: The Regulations” LatinVex, September 2022.
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"Protection of industrial designs in the countries of the Andean Community and the Hague Agreement system" by associate Nicole Allemant along with Ana Teresa Barreto, of counsel and leader of the Intellectual Property & Technology area and Data Protection. Issue No. 042 (2022) Advocatus Magazine.
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