OpenPatent
OpenPatent: A free, focused patent suite for solo practitioners who want configurable AI tools. Ranked #22 of 22 in Intellectual Property Management by our editors (5.4/10); pricing: Free plan; best for solo patent practitioners seeking open-source tools.
At a glance
- Editor score5.4 / 10
- PricingFree plan
- Best forSolo patent practitioners seeking open-source tools
- Free planYes
- Paid fromNone
- Patent managementYes
- Facts checked24 Sep 2026
Where it wins
- Covers patent drafting, prosecution, search, and analysis workflows
- Runs on Windows, macOS, Linux, or as a self-hosted suite
- Supports local and hosted AI providers, including Ollama and OpenAI
Where it doesn't
- Does not manage trademarks, renewals, or invention disclosures
- Optional external model or patent-data APIs may incur charges
- Patent-focused scope may not suit broader IP portfolio needs
Our verdict on OpenPatent
OpenPatent is an MIT-licensed, local-first patent suite for practitioners who want drafting, prosecution, and analysis tools on a desktop or self-hosted system. Its scope spans patent applications, claims, specifications, abstracts, and drawing descriptions, along with office-action responses, amendments, and prosecution arguments. Solo patent practitioners are the clearest fit, particularly those seeking open-source software and the ability to choose AI providers. It also includes patent portfolio docket tracking, deadlines, and status summaries, so its reach extends beyond document drafting.
The standout strength is breadth within patent work. OpenPatent combines patentability, freedom-to-operate, landscape, and validity-style analysis with claim construction and litigation-oriented support. Patent-search and claim-parser tools sit alongside MPEP lookup, docket queries, document templates, and compliance checks. That makes it relevant to users moving among preparation, prosecution, research, and portfolio tasks. The boundary is important: it does not cover trademark management, renewals, or invention disclosures, so teams seeking a broad intellectual property management system should look elsewhere.
The software is open source and free for self-hosted use, with Windows, Linux, and macOS installers as well as a source-build option. There is no subscription requirement for self-hosted use. Configurable providers include OpenAI, Anthropic, Google, Ollama, LM Studio, and vLLM, with local, self-hosted, or hosted model endpoints available. Optional external model or patent-data APIs may carry their own charges. Email is the listed support channel. Choose OpenPatent for a patent-centered workflow and provider flexibility; skip it if trademark, renewal, or invention-disclosure management is essential.
OpenPatent pricing
OpenPatent fact sheet
| Free plan | Yes |
|---|---|
| Paid from | None |
| Patent management | Yes |
| Trademark management | No |
| Renewal management | No |
| Invention disclosures | No |
| Jurisdictions supported | Not verified |
| Document storage | Not verified |
| Deployment | Self-hosted, Desktop |
| Platforms | Windows, macOS, Linux |
| Support | |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 6 integrations: OpenAI, Anthropic, Google, Ollama, LM Studio, vLLM |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 24 Sep 2026 |
OpenPatent integrations
OpenPatent lists 6 integrations on its own site.
- OpenAI
- Anthropic
- Ollama
- LM Studio
- vLLM
Alternatives to OpenPatent
- IPfolioA cloud IP platform covering portfolios, deadlines, workflows, analytics and ecosystem integrations.9.0
- Anaqua AQXA cloud platform for enterprise teams managing complex IP portfolios and processes.8.2
- SophiaA cloud suite for managing invention intake, IP portfolios, commercialization, and related finances.7.7
See all OpenPatent alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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