IP lawyers · German patent attorneys · since 2003
Patent Law in Germany and Europe
We file and prosecute patents at the DPMA and the EPO, handle PCT national phase entries, attack and defend patents in opposition and nullity proceedings, and litigate infringement cases before German courts and the Unified Patent Court.
since 2003
patent practice
10
offices in Germany
10
attorneys-at-law and patent attorneys
18
states covered by one UPC judgment
How we can help
Die Patentrechtler is the patent practice of horak Rechtsanwälte Partnerschaft mbB, headquartered in Hannover with offices in nine further German cities. We act for companies, research institutions and foreign patent firms.
German & European filings
DPMA applications, EPO prosecution, validation and the Unitary Patent.
PCT national phase
Entry into the German and European phase, translations, utility model branch-off.
Oppositions & appeals
Attacking and defending patents at the DPMA and the EPO.
Nullity actions
Revocation actions at the Federal Patent Court and the UPC.
Patent infringement
Injunctions, inspection orders, damages and defence in Germany.
Unified Patent Court
German local divisions, long-arm jurisdiction, opt-out.
SEPs & FRAND
Licensing and litigation of standard-essential patents.
Damages
Lost profit, reasonable royalty, infringer’s profits.
Licensing & inventions
Licences, assignments, R&D agreements, employee inventions.
Utility models
Fast protection and its enforcement in Germany.
Mediation & arbitration
Out-of-court resolution of patent disputes.
Official fees 2026
DPMA, EPO and PCT fees at a glance.
Searches & freedom to operate
Prior art, validity and FTO analyses.
Industries
From mechanical engineering to pharma.
Team
Attorneys-at-law and patent attorneys.
Contact
Enquiries in English or German.
Focus
Patent infringement: enforcement and defence
Whether you want to enforce a patent or defend against an infringement allegation: we analyse the scope of protection, secure evidence, attack or defend validity and conduct the proceedings before the regional courts or the Unified Patent Court. In urgent cases we are available at short notice.
Industries and technologies
What can be claimed, how infringement is proven and which procedures matter differ from one technology to the next. All industries
Mechanical and plant engineering
Protect processes and machines, stop copies
Automotive and mobility
Supply chains, SEPs, e-mobility
Electrical engineering and electronics
Fast, broad protection
Telecommunications and standards
SEPs and FRAND licensing
Software and IT
Technical contribution in focus
Artificial intelligence
Training methods, inventorship, disclosure
Semiconductors and microelectronics
Process, structure, topography
Medical technology
Devices, approval and freedom to operate
Chemistry and materials
Substance claims, selection inventions
Pharma, biotech and life sciences
SPCs, second medical use, generics
Physics, optics and sensors
Precise claims for measurement and parameters
Energy and environmental technology
Wind, solar, storage, hydrogen
Law and technology in one team
Certified IP specialists and German patent attorneys work together, several with degrees in electrical engineering, physics or chemistry. Filing, licensing and litigation are handled by the same team, before the DPMA, the EPO, the Federal Patent Court, the patent chambers and the German local divisions of the UPC. Filings are quoted in advance; before any proceedings you receive an assessment of prospects, risks and costs.
Instruct us or ask a question
Tell us briefly what you need. You will receive an initial assessment of the approach, deadlines and costs. Phone +49 511 357356-0 or use our enquiry form.