PATENT ANNUITY · USD
Bulgaria Utility model 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 | 153 EUR | 390 USD | 562 USD | — |
| Year 8 · Annuity | Required | 205 EUR | 390 USD | 619 USD | — |
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