Ana Cristina Müller

Ranked in Brazil
IAM Research

The Patent 1000 focuses exclusively on patent practice and has firmly established itself as the definitive 'go-to' resource for those seeking world-class legal patent expertise.

Recommended - Individuals: prosecution

Recommended - Individuals: transactions

A repository of trust for high-flying multinationals, Barbosa Müssnich Aragão is a premier destination for creative, business-oriented portfolio management, patent litigation and transactional briefs. Though it works across the sector spectrum, it shows special strength in the pharmaceutical sphere and is highly regarded by the market for its strategic insight on generic drug manufacturing and the wider regulatory framework. IP practice head Antonella Carminatti and patent and design head Ana Cristina Müller are the brains behind the operation: Carminatti has a razor-sharp understanding of the rhythms of the market and pulls all the right levers to get deals done for clients; while Müller sets the bar high for patent prosecution, keeping both short and long-term commercial goals in mind when developing strategies for clients. Working alongside her is Lilian Ghitnick, a chemical engineer who secures cast-iron protection for patrons in the chemical, pharmaceutical and consumer goods fields.

Ana Cristina Müller's Profile

Ana Cristina Müller is a partner at BMA and head of the patent and design practice with over 25 years of experience. She specialises in developing and executing worldwide patent, industrial design and plant variety protection strategies for a wide range of clients – from start-ups to multinational corporations – and does significant work in complex patent litigation, including discussions on standard-essential patents. She has significant knowledge in the fields of chemistry, biotechnology, pharmaceuticals, digital health, clean energy and renewables, and media industry.

Ms Müller advises clients on landscape and freedom-to-operate analyses, prepares validity and infringement opinions, drafts third-party observations and assists clients in post-allowance actions. She also has significant experience in prosecuting patent and industrial design applications, assisting clients to maximise protection for their developments. She conducts due diligence in investment and acquisition contexts, helping clients to decide on the best IP strategy to pursue.

Ms Müller is co-chair of the Patent Committee of the Brazilian Association of Intellectual Property, has written several articles on the scope of patents and the Doctrine of Equivalents, and is co-author of Patents in Biotechnology – Practical Guide for Drafters of Patent Applications, published by the Brazilian Corporation of Agricultural Research.

She was previously the head of the patent department at the Oswaldo Cruz Foundation (Fiocruz). Fiocruz is a prestigious institution linked to the Brazilian Ministry of Health and which develops technologies in health science, including vaccines production.

Ms Müller is frequently recommended for her accomplishments in intellectual property, technology, patents, designs, portfolio management, transactional work and life sciences in publications such as Intellectual Asset Management (IAM), Managing Intellectual Property (MIP), Leaders League, Best Lawyers and the International Law Office. Her recent accolades include:

  • being the winner of the prestigious International Law Office’s Client Choice Award in the patent category in 2015 and 2017;
  • being recognised as one of the best patent professionals in the IAM Patent 1000 from 2014 to 2020; and
  • being recognised as an IP Star by MIP.
Firm Profile

The combination of our scientists’ and engineers’ technical skills and the legal expertise of our lawyers means that BMA IP provides clients with a high-quality multidisciplinary service that is unmatched in the Brazilian market.

We provide a full range of professional services in the protection, management and enforcement of all types of IP rights — patents, trademarks, copyright, trade secrets, industrial designs, domain names and plant varieties, as well as related fields such as advertising, franchising, e-commerce, entertainment, geographical indications and appellations of origin. Our range of experience covers every industry and technology – from electrical and computer technology to luxury goods, industrial manufacturing, consumer products, biotechnology, pharmaceuticals and chemicals.

BMA IP’s team has won an international reputation for its ability to provide personalised services aimed at achieving our clients’ objectives through the highest standards of quality and efficiency.

Our practice is worldwide through a carefully tested global network of firms. As a result, we are able to direct and coordinate the international IP portfolios of our clients, assuring them of the same strategic focus and technical capabilities that we provide in Brazil. Likewise, foreign law firms are confident that their clients will find uncompromising excellence when they call on BMA IP for assistance in prosecution, litigation and consultation matters in Brazil.

What they say about us


The patent practitioners at Barbosa Müssnich Aragão are a pleasure to work with. Their advanced technical knowledge and strong ability to anticipate market opportunities mean they provide advice aligned with business interests. The icing on the cake is the competitive rates that their advisory packages come at. Antonella Carminatti and Ana Cristina Müller fill positions of leadership at the firm and stand out for their high level of strategic oversight in transactional scenarios. IP head Carminatti is superb from a commercial perspective when reviewing and drafting licensing agreements and negotiating portfolio acquisitions. As patent practice chief, chemical engineer Müller coordinates a deep bench of engineers and scientists to ensure that every instruction receives the closest possible attention. Fellow chemical engineer Lilian Ghitnick is another master of prosecution: bringing creative flair to the practice, she knows how to avoid obstacles on the path to successful grant.

Chambers and Partners

What the team is known for: Much-admired department within a well-reputed full-service firm boasting a notable track record in judicial disputes involving trade mark, trade dress, industrial design and patent matters. Often retained by major companies from the pharmaceutical, retail and consumer goods sectors due to its expertise in IP rights protection and management. Additionally known for the strength of its advice on related areas, such as competition, e-commerce and franchising.

Chambers Latin America

Strong track record advising a prominent domestic and international clientele on all their IP requirements including counterfeiting, trade mark infringement and nullity actions. Full-service capabilities enable the team to provide integrated advice. 

The Legal 500

Full-service firm BMA - Barbosa, Müssnich, Aragão fields a specialised intellectual property department, which advises on the protection, management and enforcement of IP rights. Leading the practice is Antonella Carminatti, whose expertise covers IP litigation and prosecution, as well as transactional matters and anti-counterfeiting programmes. Franchising matters are a particular area of activity for Claudia Schulz, who often advises clients operating in the retail sector. Ana Müller coordinates the patent team, while Pedro Frankovsky Barroso oversees the IP litigation Works, with a particular emphasis on patent litigation.


"The team led by Antonella Carminatti is very reactive, and provides straightforward advice. They are experts in the field of luxury products."

"Antonella is one of the best lawyers in Brazil in the field of trademarks. She is always available and gives strategic advice."

"IP litigation practice leader Pedro Barroso represents companies in trademark and trade dress litigation matters, as well representing clients in copyright-related matters in the entertainment industry."

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