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Angela Zumstein


German Patent Attorney

European Patent Attorney

UPC Representative


Angela Zumstein is a partner and managing director at Maiwald. She is an internationally recognised German and European patent attorney with a strong pharmaceutical background. She coordinates patent prosecution for clients worldwide and manages large patent portfolios. She provides strategic advice on matters such as opposition and nullity actions, as well as on post-grant management of IP portfolios. Angela has particular expertise in the field of organic chemistry, including speciality chemicals, catalysts, polymer chemistry and chemical engineering. She also handles the grant and enforcement of supplementary protection certificates throughout the EEA.

Angela provides expert advice to a broad range of domestic and international clients from both the pharmaceutical and chemical industries. For several years, Angela has been highly involved in addressing and working with international clients and is responsible for the Chinese market.

Angela has many times been listed as “IP Star” by Managing International Property (MIP) magazine and was also recommended as one of “Germany’s Best Lawyers” by Handelsblatt. She is regularly ranked as “Recommended Lawyer” by Legal 500 Germany which described her as providing “highest quality of work, very service-oriented and easy to deal with. The best representation in opposition proceedings […] in years. Makes complex issues appear simple”.

She has been praised by clients as “highly professional and willing to understand the client’s issues.”

since 2009
Partner, shareholder and managing director at Maiwald
since 2009
Patent attorney at Maiwald
2006 - 2009
Partner at an IP law firm
2003 - 2006
Patent attorney at an IP law firm
2000 - 2003
Patent attorney trainee at an IP law firm

Admitted to practice before the UPC
Admitted to practice as European patent attorney
Admitted to practice as German patent attorney
2000 - 2002
Studied law for patent attorneys at the University of Hagen
1993 - 1998
Studied pharmacy at the Ludwig Maximilian University of München

  • Patent prosecution and portfolio management
  • Filing strategies and drafting patent applications
  • Supplemental protection certificate proceedings
  • Freedom-to-operate and validity analysis
  • Opposition and nullity proceedings
  • Patent litigation

  • Recommended in Legal 500 EMEA 2022, 2023, 2024
  • Recommended in Legal 500 Deutschland 2021, 2022, 2023, 2024
  • Recommended in IAM Patent 1000 “World’s Leading Patent Professionals” 2023
  • Recommended in Handelsblatt | Best Lawyers "Germany's Best Lawyers" 2020, 2021, 2022, 2023
  • Recommended in MIP IP Star 2018, 2019, 2020, 2021, 2022, 2023

  • German Patent Attorney Association
  • epi
  • VPP

  • German
  • English
  • French