yes
no
1-1.5 years
20 years
no
Reinstatement of the right of priority on the grounds of "unintentional" is accepted and subject to payment of the right of priority restoration fee.
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.
15 years
2-3 years
USPTO
English: United States Patent and Trademark Office, abbreviation: USPTO
Website: www.uspto.gov
US invention patent search: Patent Public Search | USPTO
yes