Invention disclosureInternal processInventorship

Invention disclosure: the form and the process

By Ipiry TeamPublished August 30, 20269 min read

Short answer

An invention disclosure is the internal record an inventor makes before any patent application exists. It captures what the invention is, who conceived it, when, what problem it solves, and any disclosure or sale that has already happened. Those last items decide filing deadlines. The form is not a legal filing — it is the input that lets counsel assess patentability and lets the organisation decide whether to spend.

An invention disclosure is the internal record made before any patent application exists.

It is not a filing. It establishes no priority, confers no rights, and means nothing at the patent office.

What it does is capture the information nobody can reconstruct later — who conceived what, when, and crucially whether anything has already been disclosed or sold.

Those last two decide deadlines, and they are the items most often discovered too late.

It is not a filing

	Disclosure	Application
Establishes priority	No	Yes
Confers rights	No	On grant
Filed at the USPTO	No	Yes
Publishes	No	At 18 months

What the form must capture

Section	Why
The problem	Frames everything
The solution — how it works	The substance
Alternatives considered	Cannot be added to the specification later
Ranges, materials, parameters	Same — amendment room
What was tried and failed	Supports non-obviousness
Who contributed what	Inventorship
Date of conception	Evidence
Any public disclosure	Starts deadlines
Any offer for sale	Starts deadlines
Known prior art	Duty of candour input
Who else knows	Confidentiality assessment

The disclosure and sale questions are the ones that change outcomes. A trade show six months ago alters the entire foreign filing analysis, and counsel cannot know it unless told.

Common gaps in disclosures

Missing	Consequence
Alternatives	No amendment room later
Ranges	Cannot retreat to a sub-range
Disclosure dates	Deadlines miscalculated
Contribution detail	Inventorship unclear
Known prior art	IDS incomplete

Why alternatives belong in the disclosure

If prior art appears against	You need already described
The specific mechanism	An alternative mechanism
A stated value	A range with sub-ranges
The material	Alternative materials
The arrangement	Alternative geometries

Nothing can be added to a specification after filing. Every alternative the inventor knows and does not write down is permanently unavailable during prosecution.

Inventors have this information and counsel does not. That is why the technical detail must come from the engineers rather than being extracted in a thirty-minute interview. See how to write a patent application.

Confidential does not mean unusable

Use	Permitted
Internal review and triage	Yes
Counsel review	Yes
Wide internal circulation	Risky
External sharing without NDA	No
Investor diligence	Under NDA

Dates and deadlines

Event recorded	Consequence
Public disclosure	US: 1-year grace period. Elsewhere: rights forfeited
Offer for sale	Same, even for one unit
Conference paper, trade show	Public disclosure
Crowdfunding page	Public disclosure
Disclosure under NDA	Generally not public
Internal use only	Generally not public

Most countries have no grace period. The US one-year window preserves US rights and does nothing for anywhere else.

Capture the exact date, not the month. Deadlines run from the day.

Who submits and when

Trigger	Quality
On solving a problem in a non-obvious way	Correct
Before any external disclosure	Critical
At a project milestone	Catches inventions late
At annual review	Far too late
When someone remembers	Unreliable

Milestone-triggered capture catches inventions after trade shows, by which point foreign rights may already be forfeited.

Train engineers on the trigger and on what counts as public disclosure.

Witnesses after first-to-file

	Pre-AIA	Now
Establishes priority over another applicant	Yes	No — first to file
Evidence of conception	Yes	Yes
Evidence of contribution	Yes	Yes
Evidence against derivation claims	Yes	Yes
Still worth doing	—	Yes

Witnessed, dated records no longer win priority races, which they did before the America Invents Act.

They remain useful for inventorship disputes, derivation proceedings and internal records, which is why most organisations still date and witness.

Inventorship starts here

Contribution	Inventorship
Conceived a claimed element	Yes
Funded the work	No
Managed the project	No
Built it to instructions	No
Ordinary skill applied	No

Inventorship is decided against the claims, which do not exist yet at disclosure stage. So the form records contributions and the determination happens later.

Record what each person contributed, not just their name. When claims narrow during prosecution, inventorship may need correcting, and the description is what makes that possible. See inventorship.

What counsel needs from the form

Input	Why counsel cannot supply it
Alternatives	Only the inventor knows them
Ranges and tolerances	Domain knowledge
What failed and why	Not in any database
Which competitors do something similar	Field awareness
Disclosure and sale dates	Only you know

Counsel drafts; inventors supply. A thirty-minute interview cannot extract what a properly completed form captures, and the specification cannot add it later.

Storage and retention

Practice	Why
Keep every disclosure, filed or not	Evidence, and prior art context
Retain dates	Deadlines and conception
Searchable	Finds related work later
Access controlled	Confidentiality
Linked to any application	Traceability

The triage process

Stage	Question	Outcome
1	Is it commercially relevant?	Most stop here
2	Free prior art search	Many stop here
3	Is it patentable?	Counsel assessment
4	Patent, publish, or keep secret?	Strategy
5	Where to file	Markets and manufacturing
6	Budget approved	Filing

A good process says no quickly. Disclosures that sit unreviewed for months cost nothing to store and can cost foreign rights if a launch happens meanwhile.

Step two is free and eliminates more than any other. See patent an idea free.

A minimal form

Field	Required
Title and date	Yes
Inventors and contributions	Yes
Problem	Yes
Solution, in detail	Yes
Alternatives	Yes — the critical one
Ranges and parameters	Yes
Any disclosure or sale, with dates	Yes
Known prior art	Yes
Who else knows	Yes

Nine fields. A form longer than this gets completed badly; one shorter than this misses something that matters.

Patent, publish or keep secret

Route	Fits when
Patent	Visible in the product, worth the cost
Trade secret	Undetectable from outside
Defensive publication	You only need to stop others patenting it
Nothing	Not commercially relevant

Filing forecloses trade secret permanently, because the application publishes at eighteen months whether or not it grants.

Defensive publication is cheap and underused where the concern is being blocked rather than blocking. See patent application publication.

Worked example: two disclosures

	Disclosure A	Disclosure B
Technical detail	Two paragraphs	Full description
Alternatives listed	None	Five
Ranges	"About 15 degrees"	5–40, preferably 12–18
Prior disclosure recorded	Not asked	Trade show, 4 months ago
Contributors described	Names only	Contribution each

What happened

	Disclosure A	Disclosure B
Foreign filing	Proceeded — rights already forfeited, unknown	Assessed correctly
Prosecution	No fallback when art appeared	Amended to an alternative
Inventorship	Correction needed later	Clean
Outcome	Abandoned	Granted

Disclosure A's failures were all recorded at disclosure stage, or rather were not. None was a drafting problem; all were input problems.

The trade show question is the one that cost most. Nobody asked, so nobody knew foreign rights were already gone.

Invention disclosure software

Provides	Value
Structured intake form	Consistency
Routing and review workflow	The main benefit
Decision tracking	Audit trail
Docketing connection	Deadlines flow through
Reminders	Nothing sits unreviewed
Search across disclosures	Finds related work

At low volume a document and a shared folder work. The tooling earns its cost when disclosures arrive faster than one person can triage them.

Evaluate on workflow and the audit trail, not on the form. The form is the easy part. See patent prosecution software.

Reviewing disclosures fairly

Practice	Why
Respond to every submission	Silence discourages future ones
Explain a no	Teaches what qualifies
Decide within weeks	Deadlines run meanwhile
Recognise contributors	Whether or not you file
Track outcomes	Improves triage over time

An unanswered disclosure teaches engineers not to submit. That cost is invisible and compounds.

Confidentiality

Practice	Why
Mark it confidential	It is
Restrict circulation	Wide circulation can become disclosure
No external email without an NDA	Same
Store securely	Trade secret option depends on it
Train engineers on what not to post	Social and forum posts count

Circulating a disclosure widely can itself be a public disclosure, which is exactly what the process exists to prevent.

What most disclosures become

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%

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

Most disclosures should not become applications, and most applications that do grant are eventually released. Triaging honestly at the front is cheaper than discovering it at the third maintenance fee.

Invention disclosure: the checklist

It is an internal record, not a filing. No rights, no priority.
Ask about public disclosure and offers for sale. Those set the deadlines.
Capture exact dates, not months.
Have the inventors write the technical detail. Counsel cannot invent alternatives.
List every alternative, range and material. None can be added after filing.
Record what each contributor did, not just names.
Date and witness it, even though priority no longer turns on it.
Triage quickly. Slow review costs foreign rights when launches happen.
Decide patent, publish or secret before filing forecloses the last two.
Treat the disclosure as confidential. Wide circulation can itself be disclosure.

Common questions

What is an invention disclosure?

An internal record describing an invention, made by the inventors before any patent application is filed. It captures what was invented, who conceived it, when, and whether it has been disclosed or sold, so the organisation can decide whether to file.

Is an invention disclosure a patent application?

No. It is an internal document with no legal effect at the patent office. It does not establish priority, does not protect the invention, and confers no rights. Only a filed application does that.

What should the form capture?

The problem, the solution, how it works, what alternatives exist, who contributed what, the date of conception, any public disclosure or offer for sale, related prior art known to the inventors, and who else knows about it.

Why do dates matter so much?

Because they set deadlines. Any public disclosure starts a one-year clock in the US and forfeits rights immediately in most other countries. An offer for sale counts too. The form is where those dates get captured before anyone forgets them.

Do disclosures still need witnesses?

The US moved to first-to-file, so witnessed records no longer establish priority over another applicant. They remain useful evidence of conception, contribution and derivation, and most organisations still date and witness disclosures.

Who should be listed on the form?

Everyone who contributed to conceiving the invention, with a description of what each contributed. Inventorship is a legal question decided later against the claims, but the form is where the raw information gets recorded.

What happens after a disclosure is submitted?

It is triaged — usually a review of commercial relevance, a prior art check, and a patentability assessment by counsel. Most disclosures do not become applications, and a good process says no quickly rather than slowly.

Should engineers write the technical detail themselves?

Yes. The inventors know the alternatives, the ranges, the failure modes and the things they tried that did not work. Counsel cannot invent those, and the specification cannot add them later.

What is invention disclosure software?

Tools that collect disclosures through a structured form, route them for review, track decisions and connect to docketing. The value is in the workflow and the audit trail rather than in the form itself, which a document handles adequately at low volume.

How confidential is a disclosure?

It should be treated as confidential. Circulating it widely, emailing it externally, or discussing it outside the organisation can constitute public disclosure, which is the outcome the process exists to prevent.

What if the invention was already disclosed?

Record the date and the circumstances immediately. In the US a one-year grace period may apply. In most other countries foreign rights are already forfeited, which changes the filing decision rather than ending it.

How detailed does it need to be?

Detailed enough that someone skilled in the field could understand and build it. Vague disclosures produce vague applications, and nothing can be added to a specification after filing.

Inventorship: who counts as an inventor and how to correct it

Inventorship is a legal question about conception, not contribution. Who qualifies, why co-inventors each own the whole patent, and how to correct errors under 35 U.S.C. 256.

How to patent an idea

You cannot patent an idea — only a specific implementation. What has to exist before you file, the eight steps from disclosure to grant, what each costs, and the scams to avoid.

Patent workflow: how an invention moves through an organisation

The end-to-end patent workflow inside an organisation — capture, triage, filing decision, prosecution, and the renewal loop — with the handoffs where things actually break.

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