AI for patents, inside Claude and ChatGPT.
Lightbringer is an IP platform that works inside Claude and ChatGPT, with its own registered patent attorneys. Turn a spec or pull request into an invention record, decide what to protect, and hand it to an attorney when it’s worth filing.
Free to start. Nothing is saved until you approve it. In Claude Code, Codex, or Cursor? See setup · How your data is handled
- Reading the design doc
- Comparing it with what you’ve already captured
- Drafting an invention record, with the gaps marked
One part looks new: the fallback that switches sensors below 0°C. I’ve drafted it as an invention record.
- InventorsAnna K. and Jon P. To confirm.
- NewTemperature-aware sensor fallback. Not in your record yet.
- MissingOne test result. Add it before you decide.
Nothing is saved until you approve it.
Used by more than 200 deep tech companies across the US and EU.



What you get in Claude and ChatGPT.
Lightbringer saves what your assistant finds as records your team can see: invention records, decisions with their reasons, and your IP strategy.
Capture as you build
Turn specs, pull requests, and design docs into invention records before they ship.
Decide with context
Decide what to protect first, with the reasoning saved next to each invention.
Keep it current
An IP strategy and portfolio view that grow with the product.
Bring in attorneys
When something is worth filing, our patent attorneys start from your record.
Nobody has ever finished an invention form early.
From first chat to filed patent.
Start free in the assistant you already use. Add attorneys only when something is worth filing.
Connect Claude or ChatGPT and capture what you’re building.
Capture new inventions, decide what to protect, and keep the IP strategy current.
Our attorneys draft and file from the record you built.
Nothing is saved, shared, or filed without your approval.

How TERASi protects its mm-wave radio technology.
“Lightbringer saved me time and made the process much easier, especially knowing that everything is quality-checked by both a human and AI.”
James Campion, co-founder and CEO, TERASi
Read the TERASi storyWhen it’s worth filing, hand it over.
A Lightbringer patent attorney starts from the invention you captured, not a blank page. They make the legal calls, and you approve every step.
Managed IP plans include the platform.


Questions
Lightbringer is built for unfiled inventions. Sign-in is per organisation, nothing is saved until you approve it, and nothing is filed without a person. Claude and ChatGPT keep their own data settings, so check yours before you share details you haven’t filed.
No. Lightbringer helps you capture inventions, keep the reasoning, and decide what to do next. It does not make legal decisions. When something is worth filing, a patent attorney makes the legal calls, through Managed IP or the counsel you already use.
Lightbringer is supported in Claude, ChatGPT, Claude Code, Codex, and Cursor, and there’s a web app for the portfolio view.
It is free to start, and you buy credits when you need more. Drafting and filing are part of Managed IP, with plans that include the platform.
Start with the spec you’re writing.
Connect Lightbringer to Claude or ChatGPT and capture your first invention today. Free to start.