“With Fearn, our legal IP budget goes 10x further, so we can afford greater protection for our innovations.”

Kathy Hannun

President, Dandelion Energy

The science-first patent platform

Big Law protection for your invention. Without the ordeal.

WHY FEARN

No one knows the science like you do. File with Fearn and never miss your priority filing date. Learn more.

Get started

Trusted by

  • + 100s more.

  • + 100s more.

Fearn is a modern patent prosecution firm built by patent experts, engineers, and scientists, from the world’s leading firms and research universities.

No surprise legal bills. Ever.

Expert drafting, flat prices, and full visibility into every step.

0min

Average time to first draft

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Average time to first draft

0+hrs

Attorney time saved per application

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Attorney time saved per application

$0k+

Legal spend saved

$0k+

Legal spend saved

THE PROCESS

Fast to file. Built to hold up.

We carry your invention through first draft through examination.

TIME TO FILE

TIME: ~3 DAYS

Provisional Patent Application Process

At most 3 business days

01 EXPLAIN YOUR INVENTION

A few minutes

02 Receive patent application

At most 2 business days

03 SUBMIT FOR FILING

At most 1 business day

01

Explain your invention.

Fearn sifts through your inputs, extracts the most pertinent details, and asks the necessary follow-up questions.

02

Receive your patent application.

A former Big Law patent expert reviews each and every patent.

03

Submit for filing.

Press submit to file and we'll lock in your priority filing date.

TIME TO FILE

TIME: ~3 DAYS

Provisional Patent Application Process

At most 3 business days

01 EXPLAIN YOUR INVENTION

A few minutes

02 Receive patent application

At most 2 business days

03 SUBMIT FOR FILING

At most 1 business day

01

Explain your invention.

Fearn sifts through your inputs, extracts the most pertinent details, and asks the necessary follow-up questions.

02

Receive your patent application.

A former Big Law patent expert reviews each and every patent.

03

Submit for filing.

Press submit to file and we'll lock in your priority filing date.

TECHNICAL ADVANTAGE

Powered by the most reliable and private models you can’t get anywhere else.

Our proprietary models are built especially for patent law, by PhD leaders in computer science and beyond.

We catch the errors that sink patents—before they ever reach an examiner.

For more details, see our blog post.

60%70%80%90%100%0s5s10s15s20sLATENCYACCURACYGPT 5.519.6sClaude opus 4.713.4sGemini 3.1 Pro12.3s2.1s

The fearn promise

We put our drafting costs on the line.



Let Fearn carry your non-provisional through examination.

If the examiner allows no claims, we return the $9,000 drafting cost back to you. Most firms bill the same whether they win or lose—we don't.

CERTIFIED & COMPLIANT

Your IP deserves serious protection.

Zero outside models means zero indemnification and public-disclosure headaches.

No Third Party AI

Single-party point of trust. Your data never touches an outside AI model. No last-minute changes to privacy policies or terms of service.

ISO 27701

Your personal data is governed by international standards for privacy information management and regulatory compliance.

GDPR

Verified compliance. Personal data transferred from the EU, UK, and Switzerland is handled under recognized privacy principles.

SOC II

Annual audits. Your data is protected by industry-standard controls for security, availability, and confidentiality.

USDP

Privacy by design and full compliance with federal data protection standards. Your data stays yours — with clear rights to access and deletion.

ISO 27001

Your data is safeguarded by a comprehensive management system for information security and risk controls.

FAQ

Fearn FAQ.

Questions? We've got answers.

What is a patent?

What makes Fearn different from traditional patent prosecution firms?

How does Fearn use AI?

Can you take over our existing patent cases?

What types of companies does Fearn work with?

My company is based outside the US. Can I still use Fearn?

Do you support founders and solo inventors?

Protect your work

Ready to protect your invention?

Fearn is built by former Big Law patent experts who know the rules, and PhDs who know the science.

In a first-to-file system, that’s what it takes and that’s what Fearn delivers. With Fearn, you’ll never miss your priority filing date again.

Never miss your priority filing date.

Fearn Legal, LLC is a patent prosecution firm, licensed to file and prosecute patents across the USPTO. The information provided here is for general informational purposes only and does not constitute legal advice. Viewing this information or contacting us through this website does not create an attorney-client or patent agent-client relationship. For personalized legal advice, please reach out to us directly to setup a legal consult or consult directly with a qualified attorney.

Never miss your priority filing date.

Fearn Legal, LLC is a patent prosecution firm, licensed to file and prosecute patents across the USPTO. The information provided here is for general informational purposes only and does not constitute legal advice. Viewing this information or contacting us through this website does not create an attorney-client or patent agent-client relationship. For personalized legal advice, please reach out to us directly to setup a legal consult or consult directly with a qualified attorney.

Never miss your priority filing date.

Fearn Legal, LLC is a patent prosecution firm, licensed to file and prosecute patents across the USPTO. The information provided here is for general informational purposes only and does not constitute legal advice. Viewing this information or contacting us through this website does not create an attorney-client or patent agent-client relationship. For personalized legal advice, please reach out to us directly to setup a legal consult or consult directly with a qualified attorney.