USPTO logo
United States patent and trademark office (USPTO)
PCT Helpdesk

8:30-5:30 US eastern time Telephone: 571-272-4300 Fax: 571-273-0419

WIPO logo
International Bureau (IB) WIPO RESOURCES
PCT Resources

PCT Resources Page

Website: www.wipo.int/pct/en/

PCT Infoline

Telephone: +41 22 338 8338
Fax: +41 22 338 8339
Email: pct.infoline@wipo.int

PCT eServices (Safe & ePCT)

Telephone: +41 22 338 9523
Email: epct@wipo.int

PCT Legal Division

Email: pct.legal@wipo.int

PCT Processing Team