Fundraising Fox

Stilta

YC W26

Stockholm, SE · Founded 2026 · Delaware corporation · 4 employees · 2 known investors

stilta.com ↗

Stilta builds software for patent protection and intellectual property work, serving patent attorneys and innovators who depend on patent safeguards. The platform helps practitioners manage and strengthen patent cases across AI, biotech, clean energy, and autonomous systems.

AI & Machine LearningEnterprise SoftwareLegalTechin /stilta@oskarblockycombinator.com ↗

Founders & leadership· Y Combinator alumni (W26)

OBOskar Block
Oskar Blockin𝕏Founder
OAOscar Adamsson
Oscar AdamssoninFounder
TETobias Estreen
Tobias Estreenin𝕏Founder
PWPetrus Werner
Petrus WernerinCo-founder & CTO

Investors · 2

Y Combinator✓ verifiedSan Francisco · $500K
Andreessen Horowitz✓ verifiedMenlo Park · $500K – $50M

Reported raises · per SEC filings

Form D private placements
▶$10.3MraisedMay 2026 · 54 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Petrus WernerExecutive Officer, Director
  • Oscar AdamssonExecutive Officer, Director
  • Oskar BlockExecutive Officer, Director
  • Tobias EstreenExecutive Officer, Director
Offering amount
$10.3M
Amount sold
$10.3M
First sale
May 2026
Incorporated
Corporation, Delaware, 2025
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

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