Global Patents
Global Patent Filing, Multiple Routes
PCT, Paris Convention, and direct national filings for invention, utility model, and design patents. OpenPTO direct offices in the US, HK, Singapore, UK, and Australia.
Key Filing Routes
Click any route to view the jurisdiction's procedure details and fee schedule
PCT International
Protect in 150+ member states via a single PCT application, national phase entry within 18 months
Est. fees: from USD 3,200
European Patent (EPO)
Single application covering 38+ European states, validated nationally upon grant
Est. fees: from EUR 5,000
US Patent (USPTO)
Utility, design and plant patents; PPH acceleration available
Est. fees: from USD 2,500
China Patent (CNIPA)
Invention, utility model and design; supports domestic priority and PCT entry
Est. fees: from CNY 8,000
Japan Patent (JPO)
Rigorous examination system with PPH and international phase transfer
Est. fees: from JPY 250,000
Korea (KIPO)
Fast examination track, mature electronic filing, PCT entry well-established
Est. fees: from KRW 600,000
PCT International Application
One Application, 150+ Countries
- Claim international priority within 12/18 months of filing date
- Unified International Search Report (ISR) assessing global patentability
- National phase entry at 18 months, staggered fee strategy
- OpenPTO Hong Kong hub acts as PCT receiving office and translation center
PCT Key Milestones
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