Dr. rer. nat., Dipl.-Chem., German and European Patent Attorney, LL.M.
Languages: English, German
Main area of work concerns patents in the chemical and pharmaceutical fields, principally opposition and appeal proceedings before the European and German Patent Offices and the Federal Patent Court, opinion work, patent prosecution and litigation, both cross-border and national, as well as employed inventor’s law. Particular expertise in fine chemicals, pharmaceuticals, photochemistry, polymers and organometallic chemistry. Litigation experience in various technical fields, including printing plates, coffee pads, coatings, polymer processing and pharmaceuticals (e.g. omeprazole, tamsulosin, sildenafil, latanoprost, botulinum toxin, alendronate).
Various publications on questions of patent law and employed inventor’s law. European correspondent of "Patents & Licensing".
Patent Attorney Bar Association, EPI, FICPI, LES, AIPPI, VPP, Advisory Council of the University of Akron (Ohio, USA).
Studied chemistry at Rheinisch Westfälische Technische Hochschule Aachen (1986-1990). Diploma and doctoral theses at the Max Planck Institut für Kohlenforschung Mülheim an der Ruhr (1991-1993). Practical experience with the synthesis and characterisation of organic compounds and in particular organometallic chemistry. Scholarships from the Max-Planck-Society, the Studiengesellschaft Kohle mbH and from the Chemical Industry Foundation. With HOFFMANN EITLE since 1994. German and European Patent Attorney since 1998. Co-leader of the chemistry group since 2009.
- IP Patent Star Germany, Managing Intellectual Property (2018 & 2019 & 2020)
- iam 1000 (2017)
- Who’s Who Legal Germany (2017)
- IP Stars Handbook Patents (2017)
- IP Stars Handbook Trademark & Copyright (2017)
- Chambers Global (2017)
- Chambers Europe (2017)
- JUVE German Commercial Law Firms (2017)
Litigation, Patent office proceedings, Patent prosecution
“Klusmann is dynamic and shines in chemistry matters”
"highly recommended individually for prosecution and nullity.”
"Klusmann is a most highly regarded individual”
“highly regarded for patent prosecution matters relating to the chemical and pharmaceutical fields”
“Klusmann is in high regard for his ‘experience in multi-jurisdiction patent litigation’.”
“Klusmann's industry specialties include: oil & gas, food & beverage, pharmaceutical, renewable energy and his legal specialties include: due diligence, opinion work, injunctions, utility model.”
Klusmann ranks as a leading individual (band 2) in patent prosecution,
“best known for his strength in biotechnology and chemical patents. He is seen advising on domestic as well as international filings.”
Klusmann ranks as a leading individual (band 1) in patent prosecution
"He is an excellent patent attorney’ who specialises in the chemical and pharmaceutical fields. He handles both national and cross-border patent prosecution, including opposition and appeal proceedings. Highlights include defending Allergan against six oppositions regarding the nullity of one of its patents.”
Klusmann is a recommended patent attorney – patent section.