AI Patent Drafting Tools Compared (2026): What They Draft, What They Cost, What Happens to Your Disclosure

How were these tools checked?

This comparison covers seven widely discussed AI drafting tools, most of them named in TechieHub's 2026 roundup [Source: TechieHub], plus Invention Village. Every statement below comes from the vendor's own public website on 15 October 2026, quoted or closely paraphrased, with the page linked. We tried each vendor's /pricing page and read its security or privacy page. We did not test paid features.

Disclosure: the author builds Invention Village, one of the tools listed. It gets the same treatment as every other entry and is not listed first.

Two notes on names. TechieHub's "Edge" has no link in that article; we take it to be Edge Innovations' withedge.com, which describes itself as "Task-Based AI for IP" and has a figure editor. Specifio, which older roundups still list, no longer has a live product website, so it is left out.

Vendor websites change often. Treat every row as a snapshot from 15 October 2026 and check the linked page before you decide.

What does each AI patent drafting tool draft, and where does it run?

Tool	What its website says it drafts	Where you use it
Patlytics	Complete draft applications from an invention disclosure; claim amendments and arguments for office actions	Web app (a Word plugin waitlist was announced in May 2025)
Solve Intelligence	Complete applications, patent figures, office-action responses; one-click fixes for terminology and antecedent basis	Browser or desktop app, with a Word-compatible editor
DeepIP	Applications from invention disclosures, figures from sketches and flowcharts, office-action responses; antecedent-basis and dependency checks	Inside Microsoft Word
Edge (withedge.com)	Claims and specifications; line drawings with synchronized lead lines	Not stated on its public pages
ClaimMaster	Proofreading for antecedent basis, specification support and part numbers; generated sections and flowcharts; office-action drafts	Microsoft Word add-in; no cloud version
PowerPatent	First drafts from a summary or claims plus figure annotations; §112 diagnostics; office-action response drafts	Cloud platform; Word add-in for the office-action tool
PatentPal	Flowcharts, block diagrams, figure descriptions, abstract and summary generated from your claims	Browser; exports to Word and Visio
Invention Village	Claims, description, drawing descriptions and abstract for GB, CN, US or EP from your disclosure, with a machine-check report; values your notes do not support are left as marked placeholders	Browser; exports to Word

Sources: [Source: Patlytics] [Source: Solve Intelligence] [Source: DeepIP] [Source: Edge] [Source: ClaimMaster] [Source: PowerPatent] [Source: PatentPal]

The split TechieHub describes still holds. Some tools draft a whole application from a disclosure, some start from claims you already have, and ClaimMaster checks a draft rather than writing one.

Which AI patent drafting tools publish a price?

Tool	Price on its website (15 October 2026)
ClaimMaster	Pro with the drafting and office-action modules: $75 per user per month billed annually, $90 month to month; Pro without them: $35 or $42; 30-day free trial
PowerPatent	$199 for 200 tokens; extra tokens $1 each; tokens expire six months after purchase
Invention Village	50 credits per draft, cross-model review included; credit packs from $12 for 40 credits ($15 a draft on the smallest pack)
Patlytics, Solve Intelligence, DeepIP, Edge, PatentPal	No public price found; the /pricing page returned 404 and the sites offer a demo or trial form

Sources: [Source: ClaimMaster pricing] [Source: PowerPatent pricing]

Only two of the seven other tools show a price. For the rest, TechieHub's advice applies: ask for a quote at three times your expected volume before you commit.

What happens to an unfiled invention disclosure?

TechieHub calls this the question in-house counsel ask first: where an unfiled disclosure is stored, whether it trains anything, and who can read it. Here is what each security or privacy page says.

Tool	Model training	Retention and where data goes
Patlytics	"never used to train models"	"User history is stored for 90 days and can be deleted."
Solve Intelligence	Not used to train its own models or third-party foundation models	Third-party AI providers process data "under zero data retention agreements"; US or EU subprocessors by customer selection
DeepIP	"We do not retain any client data nor use it for model training."	Reaches the model "through a zero-retention API"; an OpenAI model hosted on Azure
Edge	"No training on your data, period"	Data is kept "as long as the company has a need for its use"; data residency options
ClaimMaster	Not stated	Proofreading runs locally; its GPT features send document text to OpenAI or Azure OpenAI, or to private endpoints you configure
PowerPatent	Not used for training "unless otherwise expressly agreed in writing"	Retention "may vary"; private cloud deployments for enterprise customers
PatentPal	Not stated	Processes documents "in memory" and does not otherwise store them beyond what the service needs
Invention Village	Not used for training; requests sent through OpenRouter go only to providers that do not collect request data	Drafting keeps the disclosure and draft in a temporary cache for up to 24 hours, not in a database; search services receive keywords only

Sources: [Source: Patlytics Security] [Source: Solve Intelligence Security] [Source: DeepIP Security] [Source: Edge] [Source: ClaimMaster security] [Source: PowerPatent privacy policy] [Source: PatentPal privacy policy] [Source: Invention Village]

The answers differ in kind, not only in wording. Two vendors describe zero-retention arrangements with their AI providers, one keeps user history for 90 days, one runs its proofreader on your own computer, and two do not state a training policy on their public pages.

Before uploading anything unfiled, find three answers on the vendor's own pages: does it train on your data, how long is it kept, and which AI providers receive it.

What do the USPTO and EPO say about AI-assisted filings?

The USPTO's April 2024 guidance applies existing rules to AI-assisted work. Anyone presenting a paper to the Office certifies under 37 CFR 11.18(b) that they made a reasonable inquiry, and the guidance adds: "Simply relying on the accuracy of an AI tool is not a reasonable inquiry." [Source: 89 FR 25609]

The EPO's 2026 Guidelines add a General Part section on the use of artificial intelligence: "The parties are responsible for the content of their patent applications and submissions to the EPO … regardless of whether a document has been prepared with the assistance of an artificial intelligence (AI) tool." [Source: EPO Guidelines 2026, General Part 5]

Neither office cares which tool you used. Both hold the person who files responsible for every word.

How do you choose an AI patent drafting tool?

1. Name the job. Drafting from a disclosure, drafting from claims, proofreading and office actions are different products.
2. Check where it runs. If your attorneys live in Word, a Word add-in matters more than a feature list.
3. Get the price in writing. If the vendor publishes none, get a quote before your team invests time in a trial.
4. Read the security page. Training, retention and AI providers, in the vendor's own words.
5. Keep a registered patent attorney in the loop. Every tool here produces material for a professional to review, not a filing-ready application.

We will recheck these pages each quarter and update the date above when entries change. This article is not legal advice.