PATENT ANNUITY · USD
Singapore Invention patent annuity fees
Annual fees, late-payment fees and additional charges are displayed separately for clarity.
Patent annuity details
Converted amounts use the latest synchronized approved exchange rates.
Patent annuity fees
Annual maintenance fees are maintained independently by country and patent type.
| Year / item | Required / optional | General pricing | Notes | ||
|---|---|---|---|---|---|
| Official fee (original) | Service fee (USD) | Total | |||
| Year 5 · Annuity | Required | 176 SGD | 176 USD | 313 USD | — |
| Year 6 · Annuity | Required | 176 SGD | 176 USD | 313 USD | — |
| Year 7 · Annuity | Required | 176 SGD | 176 USD | 313 USD | — |
| Year 8 · Annuity | Required | 460 SGD | 176 USD | 535 USD | — |
| Year 9 · Annuity | Required | 460 SGD | 176 USD | 535 USD | — |
| Year 10 · Annuity | Required | 460 SGD | 176 USD | 535 USD | — |
| Year 11 · Annuity | Required | 640 SGD | 176 USD | 675 USD | — |
| Year 12 · Annuity | Required | 640 SGD | 176 USD | 675 USD | — |
| Year 13 · Annuity | Required | 640 SGD | 176 USD | 675 USD | — |
| Year 14 · Annuity | Required | 830 SGD | 176 USD | 824 USD | — |
| Year 15 · Annuity | Required | 830 SGD | 176 USD | 824 USD | — |
| Year 16 · Annuity | Required | 830 SGD | 176 USD | 824 USD | — |
| Year 17 · Annuity | Required | 1,010 SGD | 176 USD | 964 USD | — |
| Year 18 · Annuity | Required | 1,010 SGD | 176 USD | 964 USD | — |
| Year 19 · Annuity | Required | 1,010 SGD | 176 USD | 964 USD | — |
| Year 20 · Annuity | Required | 1,200 SGD | 176 USD | 1,113 USD | — |
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