All team members
Dr. Norbert Hansen
Partner
German Patent Attorney
European Patent Attorney
UPC Representative
Chemist
Norbert advises and represents major multinational clients on matters relating to national and international patent protection. His professional activities include securing, maintaining, enforcing and challenging patents and utility models, IP portfolio management and employee invention law. A large part of his work is concerned with opposition and appeal proceedings before the European Patent Office.
His specialist fields are chemistry, chemical engineering, material sciences and semi-conductors.
"Norbert Hansen has developed a wide-ranging practice encompassing chemical engineering, as well as material science and semiconductor innovations. With an eye for detail, he is an excellent choice for prosecution work but is equally accomplished fighting complex oppositions."
– IAM Patent 1000, 2023
"Contentious sage and IP portfolio manager Norbert Hansen has stacked up more than 15 years in the game and holds a doctorate in organometallic chemistry."
– IAM Patent 1000, 2021
"[...] Norbert Hansen excels in the fields of chemical engineering, materials science andsemiconductors."
– IAM Patent 1000, 2020
"Norbert Hansen is a well-rounded practitioner who makes light work of complex prosecution instructions. He connects with patrons on a technical level and speaks their language in order to develop approaches that achieve their desired results."
– IAM Patent 1000, 2024
Norbert Hansen relies on more than two decades of experience to provide well-rounded advice to his following that will secure maximum patent protection. He is also a regular face at the EPO, putting in solid performances to ensure his patrons’ rights are maintained.
– IAM Patent 1000, 2025
- Patent prosecution and portfolio management
- Filing strategies and drafting patent applications
- Freedom-to-operate and validity analysis
- Opposition and appeal proceedings
- Nullity and patent litigation proceedings
- Listed as best lawyer 2025 in the Handelsblatt in the category Intellectual Property Law
- Recommended in IAM Patent 1000 “World’s Leading Patent Professionals” 2019, 2020, 2021, 2022, 2023, 2025
- Recommended in Handelsblatt | Best Lawyers "Germany's Best Lawyers" 2020, 2021, 2022, 2023, 2024
- Listed in the Leaders League shortlist as "Best IP Advisor Germany" (silver award) 2023
- BGH denies injunctive relief grace period in patent case, 2016
- Infringer cannot intervene in reinstatement procedure, 2016
- BPatG judges have adequate technical expertise, 2015
- Multiple complaints bring higher cost risk for defendant, 2014
- Different disclosure standards for novelty and priority, 2013
- One person can sue for nullity twice, 2012
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Controlled Thermolysis of Nitrido- and Imidomolybdenum Complexes: A New Route to Phase-Pure Molybdenum Nitrides, Chemistry of Materials, 1998
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Verfahren zur Herstellung aromatischer Nitrile, DE19647795A1, 1998
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Molekulare Katalysatoren für die Ammondehydrierung, Technische Universität München, Dissertation, 1997
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Verfahren zur Herstellung von Molybdännitriden, DE19620815A1, 1997
- Representation of patentees before the EPO’s Enlarged Board of Appeal in the G1/16 case, where the Board handed down a landmark decision on the allowability of disclaimers in patent claims
- German Patent Attorney Association
- epi
- FICPI
- AIPPI
- AIPLA
- LES
- GDCh
- German
- English
