Links
- Patent Office of the Republic of Poland (UPRP)
- European Patent Office (EPO)
- Dutch Patent Office
- Polish Chamber of Patent Attorneys (PIRP)
- Benelux Trademarks Office
- Office for Harmonization in the Internal Market (OHIM)
- US Patent and Trademark Office (USPTO)
- Japanese Patent Office (JPO)
- Patent Attorneys of the world - useful search engine (PIPERS, Patent Attorneys)