Patent Law

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Patents Office

EPO European Patent Office

ESPACENET Patent Database

EPOLINE

European Patent Institute

WIPO World Intellectual Property Organisation

International Classifications

Intellectual Property Rights Helpdesk

Enterprise Ireland

OHIM

European Patent Convention

Ancillary Regulations

Case Law of the Board of Appeal

Guidelines for Examination

PatentCafe.com

United States

Patent Act

Patent and Trade Mark Office

Classifications

PATENTEC Clases by Title

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