Privately Held Holding Company
Original work deserves a visible history.
Endspace Empire is a privately held holding company in Laguna Beach, California. Its companies build software for documenting inventions, preparing patent materials, and assessing AI signals in text.
Holdings
One operating company and two products, held directly. FunnelSieve in turn owns PatentFunnel and PatentSieve.
FunnelSieve
Parent · Intellectual propertyFunnelSieve owns PatentFunnel and PatentSieve, software products for capturing inventions, organizing evidence, and preparing patent materials.
funnelsieve.comPatentFunnel
Manages inventor interviews, evidence, knowledge graphs, disclosures, provisional drafts, and patent portfolios for individuals and IP teams.
patentfunnel.comPatentSieve
Organizes invention evidence, structures disclosures, tracks provisional deadlines, and exports packets for patent counsel.
patentsieve.comSloppyJoe
Highlights sentence-level AI signals, explains the evidence behind each one, abstains when the input will not support a call, and rewrites selected text inline.
sloppyjoe.appcomment_
Website feedback with context. Click the element that is broken and the report carries the page, screen size, console errors, and failed requests with it.
commentunderscore.comContact
- General
- [email protected]
- Legal
- [email protected]
Mailing Address
- Correspondence
- 1968 S Coast Hwy, Ste 6013
Laguna Beach, CA 92651
United States