PATENTREE was founded in 2013 in order to provide specialised IP services, in particular in relation to patents. The firm’s partners and associates have extensive experience in IP prosecution, spanning over 18 years in all fields of intellectual property.

PATENTREE’s professionals are highly qualified and have in-depth experience in drafting, prosecuting and enforcing patents in Europe, the United States, as well as other jurisdictions. Our firm is characterised by our unfailing commitment to excellence and strong IP strategies. Whether the work entrusted to us is patent drafting, patent searches, prosecution, oppositions, freedom-to-operate reports or patent validation, it is quality checked to ensure that it meets the highest standards.

We are a ground-breaking firm in Portugal, and currently the only patent firm employing several qualified European patent attorneys. We specialise in both electromechanical and chemical technology fields.

For the fourth consecutive year, PATENTREE has been recognised by the IAM Patent 1000 as a leading patent firm in Portugal employing leading patent individuals. In 2019 a Financial Times and Statista special report on leading European patent law firms listed PATENTREE among Europe’s top 142; PATENTREE was also the only Portuguese IP firm to make it into the list. We are known for our team of responsive advisers, our ability to communicate effectively with scientists and investors, as well as for our success rate in prosecution, opposition, intervention and appeal cases. We strive to do our best to help our client protect their IP rights. We work closely with clients in order to fully understand their technology and to provide solutions specifically tailored to their needs.

We are a dynamic team of molecular biologists, bioengineers, mechanical and electrotechnical engineers. Amongst our team of professionals, some are former scientists, patent and trademark examiners, as well as IP consultants. They are dedicated to raising IP awareness in Portugal and to continuously be involved in providing patent law training courses in Portugal and abroad. We have been involved in providing tutoring for the University of Strasbourg Centre for International Intellectual Property Studies, as well as the Institute of Professional Representatives (EPO).

PATENTREE’s professionals have extensive experience before the patent and arbitration courts – in particular, as experts and technical assistants who have achieved the European patent litigation certification. Our professionals also have extensive experience and in-depth skills in patent searching. We use multiple world-class databases and tools when preparing reports in relation to patentability, freedom to operate and infringement.


PATENTREE’s client portfolio includes start-ups, SMEs, large companies, multinationals and knowledge centres that are active worldwide. Our client portfolio also includes innovation-leading companies in Europe and abroad. Our firm is internationally oriented and has a long history of obtaining successful patent results around the world.

Speciality areas

PATENTREE is committed to helping clients obtain effective and adequate IP protection. We are involved in all fields, including industrial and pure chemistry, molecular biology, biotechnology, pharmaceuticals, food technology, mechanics, software, optics, nanotech, medical devices, renewable energies, electronics and telecommunications – both in Portugal and abroad.

Our firm also has an experienced formalities department with a broad skillset that is ideally positioned to handle complex and demanding multi-jurisdictional cases.


Our firm offers the full range of IP services and is committed to providing comprehensive and innovative expertise, creating value to benefit our clients. Our list of services includes:

  • advice on patent and utility model applications and complex protection strategies;
  • patentability assessments and prior art evaluations;
  • preparing, drafting and submitting patent applications;
  • filing and prosecuting patents in key jurisdictions, including before the EPO, WIPO and the US Patent and Trademark Office;
  • preparing and filing of oppositions and appeals at the EPO;
  • preparing freedom-to-operate and patent landscape reports;
  • providing expert opinions for infringement and validity court actions;
  • conducting due diligence;
  • IP portfolio management and assertion;
  • IP department outsourcing, including comprehensive advice on matters relating to employee inventions;
  • providing in-house training; and
  • other trademark, design and IP rights services.


Portuguese, English, French, German, Spanish, Mandarin Chinese, Slovak and Czech.

Contact details

Rua de Salazares 842 - Edf NET
Porto 4149-002

Professional contacts

Other offices

  • Lisbon

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