Stilta

Agentic AI for intellectual property

Y CombinatorWinter 2026ActiveB2B

What they do

Problem

Patent litigation and IP analysis relies on manual document review and disconnected tools that lack legal-grade trust, traceability, and auditability.

Solution

Stilta provides agentic AI software that performs source-backed, auditable search and analysis for intellectual property work, starting with patent litigation.

Who it's for

Leading IP law firms and in-house IP teams conducting patent enforcement or challenges.

Founders

Oskar Block

Founder

Oskar is the CEO of Stilta. He started his first company building ML models for sports betting when he was 18, and later bootstrapped another to +$1M in revenue and +25,000 monthly active users. Previously at McKinsey, Goldman Sachs, and two Swedish unicorns.

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Oscar Adamsson

Founder

Oscar is CPO and co-founder of Stilta. Before Stilta, he built products at a unicorn, was a founder himself, and worked with 50+ CEOs at McKinsey to shape Sweden's innovation agenda. He has a background as a competitive mathematician, with degrees in business and AI from Chalmers and other top Swedish universities, plus coursework at UC Berkeley and Bocconi.

Tobias Estreen

Founder

Tobias is co-founder of Stilta. Previously at QuantumBlack (McKinsey & Company), he led teams developing agentic AI systems for global clients. He is a second-time founder with a background in physics and machine learning from KTH and KU Leuven, bringing deep technical expertise and a track record of building AI systems for complex, high-stakes environments.

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Petrus Werner

Co-founder & CTO

Founder and CTO of Stilta. Prior to Stilta, he built and deployed AI systems across European organisations at QuantumBlack (AI by McKinsey & Company) and Amazon Web Services.