Marie-Christine Seiler
LL.M. (Wellington)
Attorney at Law (Germany) – Partner
Certified IP Lawyer
Marie-Christine Seiler specialises in legal issues and disputes in the field of intellectual property and unfair competition. She advises clients in connection with trade marks, designs and copyrights as well as on unfair competition issues. Her work includes the drafting of IP strategies and, if necessary after clarification and registration of the IP right, extends to the enforcement of her clients’ rights against third parties, whether in court or contractually, for example in coexistence or licence agreements.
Marie-Christine Seiler has extensive experience in conducting proceedings before the German Patent and Trade Mark Office and the European Union Intellectual Property Office, before the German civil courts (including interim injunction) and the courts of the EU (European Court of Justice). This also applies to the management of large, international IP portfolios, in particular in the areas of foodstuffs, food supplements and pharmaceuticals, medical devices, cosmetics, fashion, art/design objects.
Marie-Christine Seiler studied in Munich and Wellington, New Zealand. She worked in the legal departments of well-known German companies in the fields of medical technology and pharmaceuticals on secondment. She is active as Vice-Chair of the Harmonization Committee and German member of the Supervisory Board of ECTA (European Communities Trade Mark Association). She gives and moderates lectures and presentations. In her free time, she loves being active in the mountains with her family and is passionate about the fine arts.
![](https://www.merxpuetz.com/wp-content/uploads/2023/11/Marie-Christine-Seiler-01-687x1030.jpg)
»Trademark attorneys are the superheroes of the business world – they defend logos and brands with more dedication than some people defend their coffee cups.«
ChatGPT, 2023 AD.
![](https://www.merxpuetz.com/wp-content/uploads/2023/12/Marie-Christine-Seiler-02-687x1030.jpg)
Presentations or publications (selection)
- Copyright law: Copyright in Modifications of Open Source Software, Judgement of the Regional Court of Hamburg (310 O 89/15)
Online presentation for US (inhouse) lawyers, Cantor Calburn, 30/05/2017 - Trade Mark Law: Plain Packaging in the Industry
Moderation at the ECTA 37th Annual Conference, Athens, Greece, 14/06/2018 - Trade Mark Law: Trade Marks: Case Law of the EUIPO Boards of Appeal and the German Trade Mark Courts
Moderation at the ECTA RETREAT Workshop, German Patent and Trade Mark Office, Munich, 06/03/2019 - Trade Mark Law: On the EU Trade Mark Directive from a Practitioner’s Perspective
ECTA, 78th Council and 1st Supervisory Board and Committee Meetings, Larnaca, Cyprus, 17/10/2019 - Patent law, Unfair Competition Law, Trade Secrets: Communication in B2B traffic in the field of intellectual property
Online Presentation at Rogers Germany, 11/11/2020 - Trade Mark and Design law: Trade Marks and Designs: Case Law of the EUIPO Boards of Appeal and the German Courts
Online Moderation at the ECTA Retreat Workshop, 10/03/2021 Trade Secret law: ‘Got a secret? But how can you keep it? EU Trade Secrets Directive: Implementation status and practical issues in different jurisdictions
Presentation on the German case law and practical tips, webinar of ECTA in collaboration with the Bulgarian Patent Office, 09/02/2024