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Patent protection: what it gives you and what it costs

By Ipiry TeamPublished August 27, 20269 min read

Short answer

Patent protection is the ability to stop others making, using, selling, offering or importing what your claims cover, in the countries that granted the patent, for as long as fees are paid. It does not permit you to practise your own invention, does not extend beyond national borders, and costs up to $14,470 in US maintenance fees alone. Most owners conclude it is not worth that, which is why 58.6% of utility patents are abandoned early.

Patent protection is narrower than the phrase suggests, and it costs more than most owners expect.

What it gives you is the ability to stop other people. Not permission to act yourself.

Where it applies is one country at a time. A US patent restrains nothing in Germany.

And it lasts only while you keep paying. Which is why 58.6% of US utility patents end before their term does.

What the protection is

Protection covers	Protection does not cover
Making the claimed invention	Your own right to practise
Using it	Anything outside the claims
Selling it	Activity in countries where you hold no patent
Offering it for sale	Ideas, as opposed to claimed inventions
Importing it	Independent invention by you of someone else's claim

Each activity is independent. Importing an infringing product infringes even where it was manufactured lawfully abroad.

Offering for sale counts alone. A price list can infringe with no product changing hands.

The right to exclude is not a right to practise

Situation	Result
You patent an improvement	Valid
Someone holds a patent on the base invention	Also valid
Your improvement requires the base	You infringe theirs
They cannot practise your improvement	They infringe yours
Outcome	Cross-licence, or neither ships

Blocking positions are ordinary, not a defect. Improvement patents that cannot be practised without a licence to the underlying invention exist in every field.

A grant is not clearance. Freedom to operate is a separate analysis and it is the one that determines whether you can sell. See freedom to operate.

Protection is national

Patent granted by	Protects in
USPTO	The United States only
EPO, then validated	Each validated state separately
CNIPA	China only
Nowhere	Nowhere

There is no world patent. The PCT defers national decisions; it grants nothing.

Manufacturing jurisdictions are undervalued. Coverage where a product is made can stop the supply chain rather than chasing distribution.

European patents fragment at grant, creating separate national rights with separate annuities. See patent annuity fees by country.

Duration

Type	Term	Fees
Utility	20 years from earliest non-provisional filing	Three
Design	15 years from grant	None
Plant	20 years from filing	None

Adjustment	Effect
Patent Term Adjustment	Adds days for USPTO delay
Patent Term Extension	Up to 5 years, regulated products
Terminal disclaimer	Caps the term
Continuation chain	Runs from the earliest parent

Continuations are the common miscalculation. A patent filed in 2024 from a 2016 parent expires in 2036, not 2044.

No patent can be renewed beyond its term. Maintenance fees keep it alive within the term; they do not extend it. See can you renew a patent.

Protection abroad requires separate action

Step	Deadline
Paris Convention filing	12 months from priority
PCT national stage	~30 months from priority
Public disclosure before filing	Forfeits rights, most countries
Validation after EPO grant	Per state, short window
Annuities	Annual, per country

The twelve-month deadline is unforgiving and it is the point at which most foreign protection is lost by default rather than by decision.

What it costs to keep

Fee	Due after grant	Large	Small (40%)	Micro (20%)
First	3.5 years	$2,150	$860	$430
Second	7.5 years	$4,040	$1,616	$808
Third	11.5 years	$8,280	$3,312	$1,656
Total		$14,470	$5,788	$2,894

Plus	Detail
Cost to obtain	$8,000–$20,000 including professional fees
Foreign annuities	Annual, per country
Enforcement	Millions, if pursued
Monitoring	Ongoing

The escalating schedule forces re-evaluation three times, which is exactly what it is designed to do.

What the market concludes

Ipiry Patent Survival Curve v1.0	Rate
Survive the 3.5-year fee (2022 cohort)	85.8%
Survive the 7.5-year fee (2018 cohort)	64.6%
Reach full term (2014 cohort)	41.4%
Abandoned before full term	58.6%
Lost at the first fee	14.2%
Lost at the third fee	23.2 points
Conditional: paid first two, pay third	63.0%

Computed from 27,273,654 USPTO maintenance fee records covering 8,262,336 US utility patents — see the patent survival curve.

Nearly three in five owners decide the protection is not worth its cost. That is not failure; it is the schedule working.

The conditional figure is the sharper one. Of patents already funded through two windows, more than a third are still released at the third.

What protection covers over time

Phase	Protection
Pre-filing	None
Pending	None enforceable
Granted, fees current	Full
In a grace period	Still in force
Lapsed	None — revival may be possible
Expired	None, permanently

Protection is not continuous by default. It requires three affirmative payments across a patent's life, each of which is a decision rather than an invoice.

A patent in its grace period is still enforceable, which matters when timing a launch or a negotiation against someone else's asset.

Protection before grant

Stage	Enforceable protection
Idea	None
Provisional filed	None — a priority date only
Non-provisional pending	None
Published at 18 months	Provisional rights, narrowly
Granted	Full right to exclude

"Patent pending" confers no rights. It signals an application exists, which has deterrent value and no legal force.

Provisional rights require actual notice and granted claims substantially identical to the published ones, so they rarely produce recovery in practice.

The claims decide the protection


The description	Explains the invention
The claims	Define the protection
Broad claims	More protection
Narrow claims	Easily designed around
Invalidated claims	No protection at all

A patent with narrow claims covering an approach nobody uses protects nothing anyone wants to do. Reading the claims is how you find out what you actually have. See patent claim.

Enforcing protection

Requirement	Detail
Standing	Owner, or a licensee with substantially all rights
Patent in force at the time	Of the infringement
Marking	Limits damages if products are unmarked
Six-year cap	On past damages
Cost	Millions, if litigated
Risk	The patent can be invalidated

Protection you will not enforce is protection in name. That is a legitimate position where the deterrent value is real, and it should be an assessed one.

Marking is the cheap step that preserves damages. See patent marking.

Alternatives and complements

Route	Protects	Duration
Trade secret	An undetectable process	Indefinite, while secret
Trademark	The brand	Indefinite with renewal
Copyright	Specific code and content	Long
Design patent	Appearance	15 yrs, no fees
Defensive publication	Stops others patenting it	Permanent, very cheap
Contracts	Relationships	As agreed

Trade secret is the strongest alternative for undetectable processes, and filing forecloses it permanently. Publication at eighteen months destroys secrecy whether or not a patent grants.

Defensive publication is underused where the concern is being blocked rather than blocking others.

Independent creation is a defence to trade secret and copyright but not to patents, which is what makes patent protection unusually strong and freedom-to-operate work necessary.

Protection across a product

Aspect	Protection	Duration
The mechanism	Utility patent	20 yrs from filing, three fees
The appearance	Design patent	15 yrs from grant, no fees
The name	Trademark	Indefinite with renewal
Manuals and software	Copyright	Long
Manufacturing process	Trade secret	While secret

No single right covers a product. Layering them is normal, and each runs on its own clock with its own failure modes.

The trademark frequently outlasts everything else. It protects what customers recognise, and it renews indefinitely.

Worked example: protection assessed honestly

A small company holds one US patent, 7 years remaining, small entity.

Question	Answer
Do we sell a product using it?	No — the line was discontinued
Does anyone else practise the claims?	Screened: no
Would we enforce if they did?	No budget
Does it block a competitor?	Not identifiably
Remaining fees	$4,928
Foreign members	None

Option	Outcome
Keep paying	−$4,928 for protection over nothing
Sell	7 years is saleable; worth trying
License	No licensee exists
Release	Ends the cost, captures nothing

Protection over something nobody does is not protection. It is a subscription.

The right sequence is sell first, release if that fails, and starting twelve months before the deadline is what keeps the first option open. See patent monetization.

Protection is not automatic after grant

Requirement	Consequence if missed
Pay three maintenance fees	Patent expires early
Keep entity status accurate	Can render it unenforceable
Mark products	Damages limited to notice date
Record assignments	Blocks sale, and foreign renewals
Monitor for infringement	Six-year damages cap runs regardless

Entity status is checked at each payment, not set once. Growth or a licence to a large company ends small entity eligibility. See small entity status.

Reviewing protection you hold

Check	When
Is it in force?	Before relying on it
Do the claims cover anything current?	Annually
Does anyone practise them?	Free screening
Would you act on infringement?	Honestly
Fees against value	Each window
Foreign members still relevant?	Each annuity

Phrase each fee window as a decision, not a payment. See patent portfolio management.

Patent protection: the checklist

It is a right to exclude, never a right to practise.
Run freedom-to-operate work separately. A grant is not clearance.
All five activities count — make, use, sell, offer, import.
Protection is national. File where the market and manufacturing are.
Read the claims. They define what you actually protect.
Calculate term from the earliest non-provisional filing in the chain.
Budget the full maintenance cost — up to $14,470 in the US alone.
Nothing enforceable exists before grant. "Patent pending" is a signal.
Consider trade secret seriously, since filing forecloses it permanently.
Re-test annually whether the protection covers anything anyone does.

Common questions

What does patent protection actually give you?

The ability to stop others making, using, selling, offering for sale or importing what your claims cover, in the countries that granted the patent, for its term. It is a right to exclude others rather than permission for yourself.

Does a patent protect my right to sell my product?

No. A patent is a right to exclude, not a right to practise. Whether you can sell your own product depends on whether it falls within anyone else's claims, which is a freedom-to-operate question and entirely separate.

How long does patent protection last?

Twenty years from the earliest non-provisional filing date for utility patents, provided all three maintenance fees are paid. Design patents last fifteen years from grant with no fees. Neither can be renewed beyond that.

What does patent protection cost?

Typically $8,000 to $20,000 to obtain, plus maintenance fees totalling $14,470 for a large entity, $5,788 small, $2,894 micro. Foreign family members add annual annuities that frequently exceed the US total.

Is patent protection worldwide?

No. Rights are national. A US patent restrains activity in the United States only, and protection in each country requires a patent granted by that country. There is no world patent, though the PCT is a filing route.

What is not covered by a patent?

Anything outside the claims, activity in countries where you hold no patent, and manufacturing abroad where no local patent exists — though importing the resulting product into a country where you do hold one still infringes.

When is a trade secret better?

Where the process is undetectable from outside and could be kept confidential indefinitely. Trade secrets have no expiry and no filing cost, but no protection against independent discovery or reverse engineering.

Does protection start when I file?

No. A pending application confers no enforceable rights. Provisional rights may be available from publication in narrow circumstances, requiring actual notice and substantially identical granted claims, and rarely produce recovery.

Can protection be lost early?

Yes, routinely. Missing a maintenance fee ends it, and that accounts for most losses. Protection can also end through invalidation in court or at the PTAB, or be capped early by a terminal disclaimer.

Does protection cover improvements by others?

If the improvement still falls within your claims, yes. Someone who improves on your invention may hold their own patent on the improvement and still need a licence from you to practise it, which creates blocking positions.

How do I know what my protection covers?

Read the claims. The description explains the invention; the claims define the scope. A patent with narrow claims that competitors can design around in an afternoon confers protection over very little.

Is patent protection worth it?

It depends on whether the claims cover something people want to do and whether you would act on infringement. Nearly three in five US utility patents are abandoned by their owners, which is the market answering that question.

Patent rights: what they are and what they are not

What patent rights actually confer — the right to exclude rather than to practise — plus which activities they cover, why they are geography-specific, and how they end.

What are patents?

A patent is a time-limited right to exclude others from an invention. What the three types cover, what a patent does and does not give you, and what happens to most of them.

Freedom to operate: what an FTO analysis actually covers

FTO asks whether you can sell a product without infringing. How the search differs from a patentability search, what an opinion buys you, and when to do it.

What is your patent worth?

Free AI valuation in 60 seconds, benchmarked against 652,000 KPSS patent value records and the Ipiry Patent Survival Curve.

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