How long is the protection period of the US invention patent application

1-1.5 years

2-3 years

15 years

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 : 12 months from earliest priority date.
• via Nationalization of PCT : 30 months from the earliest priority date.

USPTO

English: United States Patent and Trademark Office, abbreviation: USPTO

Website: www.uspto.gov

US invention patent search: Patent Public Search | USPTO

yes. If the appearance of the designs embodying the same design concept is similar, the combined design may be submitted in one design application.

• Grant fee: The applicant shall pay the granted registrar's fee 3 months after receiving the granted decision notice.
• Annual Fee: None.

no

• via Paris Convention : 6 months from earliest priority date.
• Hague Agreement route: 6 months from earliest priority date.