Patent renewal: how it works in the US and abroad

The US does not have patent renewal. It has patent maintenance fees, three of them, and the distinction is not pedantic — it changes what you pay, when you pay it, and what happens if you miss.

People searching for patent renewal usually want one of two things: how to keep a US patent alive, or how to manage annuities across a foreign family. The answers are different enough to be worth separating.

Renewal in the US: three payments, not annual

USPTO fees effective January 2025.

Three payments across twelve years, then nothing until the patent expires at twenty years from filing. No annual cycle, no invoice, no automatic renewal, and no way to prepay.

Each window opens six months before the anniversary and closes on it, with a six-month grace period afterwards that costs a surcharge. Miss the grace period and the patent is gone permanently.

The dates run from grant, not filing. This catches people who diarise from the filing date and find the window closed by however long prosecution took.

Renewal does not extend anything. This is the most common misunderstanding in the whole area. Paying a maintenance fee keeps the patent alive to the next stage — it does not add term. The twenty years run from the earliest non-provisional filing date whether you pay or not, and the third payment simply buys the run to that date.

The patent renewal process, step by step

Calculate the deadline from the grant date. Add 3.5, 7.5 or 11.5 years. Note the grace period end six months after that as your absolute limit.

Confirm entity status before paying. It is certified per payment, not fixed at grant, and the difference across a patent's life is $11,576 between large and micro rates on the same patent.

Pay through USPTO Patent Center using the patent number and application number. The transaction is immediate.

Verify the payment posted. A payment submitted is not a payment recorded. Check Patent Center afterwards, particularly if you paid close to a deadline or through an intermediary.

Diarise the next window the same day. Missing the second fee after paying the first wastes the first payment entirely — a patent that lapses at eight years has consumed the 3.5-year fee for nothing.

Renewal abroad: annuities

Most countries charge annually. The fee is usually called an annuity, and it escalates with the age of the patent — small in the early years, substantial by year fifteen.

Patents are national rights. A US patent lapsing has no effect on a European or Japanese patent from the same family. Each has to be maintained on its own schedule, in its own currency, under its own rules.

Many jurisdictions charge on pending applications. European annuities begin from the third year after filing, whether or not the application has been examined, which regularly surprises applicants who budgeted only for prosecution.

The cost of a family adds up faster than people expect. Maintaining protection in the US, Europe, China and Japan through to full term means four separate schedules and a total that routinely runs to tens of thousands of dollars in government fees before any service charge.

Which is why portfolios are pruned country by country. Dropping jurisdictions where you have no market while keeping the ones where you sell is ordinary portfolio management, not failure. A patent maintained everywhere by default is a patent nobody has thought about.

What actually gets renewed

Computed from every maintenance fee event the USPTO has recorded — 27,273,654 rows covering 8,262,336 US utility patents granted since 1981.

Fewer than half of US patents are renewed to full term, and the proportion has fallen ten points since 2000 as the fees have risen.

The biggest single drop is at the third renewal, where the fee is $8,280 for a large entity and the remaining term is four years. Full figures by grant year are on the Ipiry Patent Survival Curve.

But renewal behaviour is sticky. Of owners who paid the first fee, 74.3% paid the second. Of those, 63.0% paid the third. Each payment is a fresh judgement that the patent is worth more than the fee, and owners who have made that judgement twice usually make it a third time.

A worked example: US versus a small family

A software patent granted June 2019, small entity, with counterparts in Europe and Japan.

US only

Three transactions over twelve years. Manageable with a calendar reminder and half an hour each time.

The same invention across three jurisdictions

Three payments becomes roughly thirty, spread across twelve years in three currencies with three sets of deadlines and three sets of local rules about who may pay.

This is the point at which a renewal service stops being optional. Not because any individual payment is hard, but because thirty deadlines managed by hand across a decade will eventually produce one miss, and one miss is permanent.

Renewal and annuity services

What they do. Track deadlines across jurisdictions, convert currency, instruct local agents where required, pay on time, and confirm payment posted. Better services also monitor entity status and provide portfolio reporting.

When they earn their fee. A family across several countries with annual deadlines is genuinely difficult to manage manually, and the consequence of a miss is permanent loss of the patent in that jurisdiction. That is the problem worth paying to solve.

When they do not. A single US patent has three payments across twelve years. That is a calendar entry, and a service fee stacked on top of a $860 government fee is a poor trade.

What to ask before engaging one:

• Do they confirm the payment posted, or only that it was submitted?
• What is their liability if a deadline is missed?
• Do they track entity status changes, or pay at whatever rate is on file?
• What is the service fee as a proportion of the government fee?
• Do they handle the jurisdictions you actually need, or only the major ones?

A service charging a meaningful percentage of a small-entity US fee is not saving anyone money. A service managing thirty foreign deadlines for a modest per-payment charge probably is.

Deciding whether to renew

Renewal is a purchase, not an administrative task. In the US you are buying four more years of exclusivity at a stated price.

Is anyone practising the invention? The single largest factor, and one most owners never properly establish. It means examining what competitors actually ship and comparing it against your claims element by element. A patent nobody infringes has option value rather than enforcement value, and option value falls as term runs down.

Is the technology still current? A patent covering a superseded approach, arriving at the third renewal with four years left, is usually one to release.

Which countries actually matter? For a family, renewal is not all-or-nothing. Keeping the jurisdictions where you sell and dropping the rest is normal, and doing it deliberately beats doing it by accident when a payment gets missed.

What would it sell for? The question the renewal decision reduces to. A patent with commercial relevance is worth more sold than lapsed, and the renewal window is a forcing function.

A patent sold before the window closes is worth something. One that lapsed last month is worth nothing. Both outcomes end the fee obligation; only one pays you. That asymmetry is why patent valuation tends to happen at renewal deadlines rather than at any other point.

Before a renewal deadline

1. Calculate the date from the grant date, not the filing date, and note the grace period end as well.
2. Recheck entity status — small and micro entity qualification can change in either direction.
3. For a family, decide country by country rather than renewing everything by default.
4. Establish whether anyone practises the claims.
5. Get a valuation before the window closes, because a lapsed patent cannot be sold.
6. Verify the payment posted rather than assuming it did.
7. Diarise the next deadline the day you pay. Missing the second renewal after paying the first wastes the first payment entirely.