Mascha Heidelberg

LL.M. Eur., LL.M. (Houston)
Attorney at Law / Rechtsanwältin
Certified IP Lawyer




2021  Partner at Müller Schupfner & Partner
2014  Junior partner at Müller Schupfner & Partner
2011 – 2013  Training and Appointment as Certified IP Lawyer
2009  Master of Laws (LL.M.) at University of Houston, USA (Focus: IP Law)
2008  Master of Laws in the field of European Law (LL.M. Eur.) at Julius Maximilian University of Würzburg, Germany (Focus: on European Law, IP Law and Copyright Law)
1999 – 2006  Studies of Law and European Law Studies at Julius Maximilian University of Würzburg, Germany


Mascha is specialized in trademarks, designs and Unfair Competition Law. Mascha creates, manages and consolidates multinational trademark portfolios and develops IP strategies. She conducts availability searches and advises on how to avoid or successfully resolve possible office objections or collisions, also by means of delimitation and priority agreements. Mascha enforces her clients’ industrial property rights before offices or courts in opposition and infringement proceedings. In addition, she is well-versed in the prosecution of product piracy, including customs seizure.

Mascha has been an attorney at Müller Schupfner & Partner since 2010, initially in the Munich office, and in 2013 she moved in-house to the Hamburg office. In 2014, she joined the firm as a junior partner and became 2021 partner of Müller Schupfner & Partner.

After studying law as well as accompanying studies in European law in Würzburg, Mascha completed her Master of Laws in European Law (focus on Intellectual Property Law), also in Würzburg, during her legal clerkship. Subsequently, she completed the Master of Laws (LL.M.) with a focus on IP Law at the University of Houston, USA, in 2008/2009. She has been a Certified IP lawyer law since 2013.


  • WTR1000 2024: Trademark and unfair competition partner Mascha Heidelberg has been at Müller Schupfner since 2010. A skilled portfolio manager and brand enforcer, she is sought out by patrons for her thoughtful and diligent counsel and for strategic advice on prosecution, infringement and licensing issues.
  • Mentioned in JUVE since 2016 for trademarks and designs
  • JUVE 2021/2022 described by competitors as “very good trademark lawyer” and “experienced and pragmatic in trademark & design law”
  • JUVE 2019/2020 described by competitors as “very structured, dedicated & knowledgeable”
  • JUVE 2018/2019 described by competitors as “experienced and pragmatic trademark & design lawyer” and “composed and dedicated”
  • JUVE 2016/2017 described by competitors as “experienced and pragmatic trademark & design lawyer”

Technical Areas

  • Trademark Law
  • Design Law
  • Copyright Law
  • Unfair Competition Law

Legal Expertise

  • Trademark and design application, opposition, revocation, infringement and litigation proceedings
  • Prosecution of counterfeiting and piracy matters including customs seizures
  • Advising in infringement matters based on unfair competition
  • Management of worldwide trademark portfolios
  • Conducting and evaluation of trademark searches


  • INTAInternational Trademark Association
  • GRURGewerblicher Rechtsschutz und Urheberrecht
  • ECTAEuropean Communities Trademark Association
  • Member of Public and Media Relations Committee (INTA, New York, 2016-2017)
  • Co-Chair of Europe Subcommittee des Public and Media Relations Committee (INTA, New York, 2018-2019)
  • Member of  Brands for a Better Society Committee; Subcommittee Pro Bono Clearinghouse (INTA, New York, 2020-2021)
  • Member of Pro Bono Committee, Head of Communications Subcommittee (INTA, New York, 2022-2023)