Preliminary examination fee - U.S. was not the ISA (Fee schedule 1606/2606/3606)
USPTO fee schedule item: Preliminary examination fee - U.S. was not the ISA — category: PCT fees - international stage.
- Task
- Look up fees
- Patent or trademark
- patent
- Legacy system
- —
- Current entry point
- Fee schedule page www.uspto.gov/learning-and-resources/fees-and-payment/uspto-fee-schedule, fee code 1606/2606/3606 (verified 2026-09-29)
- Legacy system and where it moved
- No site-wide statement on the page (verified 2026-09-29)
- Fee
- Fee 880.00 / Small entity 352.00 / Micro entity 176.00 (verified 2026-09-29)
- What you need (account or API key)
- Payment via a deposit account or a USPTO.gov account, per the page (No table-wide statement, verified 2026-09-29)
- Source
- USPTO fee schedule (patent and trademark fee tables)(retrieved 2026-10-06)
Everything in the same category
Look up fees (all 278) · patent (all 1090)
Related entry points
- Preliminary examination fee - U.S. was the ISA (Fee schedule 1605/2605/3605)
- Supplemental examination fee per additional invention (Fee schedule 1607/2607/3607)
- Transmittal fee (Fee schedule 1601/2601/3601)
- Search fee - regardless of whether there is a corresponding application (see 35 U.S.C. 361(d) and PCT Rule 16) (Fee schedule 1602/2602/3602)
- Supplemental search fee when required, per additional invention (Fee schedule 1604/2604/3604)
- Late payment fee (Fee schedule 1619/2619/3619)
- Transmitting application to Intl. Bureau to act as receiving office (Fee schedule 1621/2621/3621)
- Late furnishing fee for providing a sequence listing in response to an invitation under PCT rule 13ter (Fee schedule 1627/2627/3627)
- Petition for the extension of the twelve-month (six-month for designs) period for filing a subsequent application (Fee schedule 1628/2628/3628)
- Non-electronic filing fee (additional fee for applications filed in paper) (Fee schedule 1690/2690/3690)
- Search fee, examination fee or oath or declaration after the date of commencement of the national stage (Fee schedule 1617/2617/3617)
- National stage examination fee - all other situations (Fee schedule 1633/2633/3633)
- National stage examination fee - U.S. was the ISA or IPEA and all claims satisfy PCT Article 33(1)-(4) (Fee schedule n/a)
- Each independent claim in excess of three (Fee schedule 1614/2614/3614)
- Each claim in excess of 20 (Fee schedule 1615/2615/3615)
- Multiple dependent claim (Fee schedule 1616/2616/3616)