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Stilta

4 open
4+ employees

Agentic AI for intellectual property

YC W26

About the Company

In a world where products and software can be replicated overnight, intellectual property is the last durable moat. Every breakthrough in AI, biotech, clean energy, and autonomous systems depends on patent protection to survive. Yet the system meant to defend these innovations has not kept up, held back by tools and processes that have not fundamentally changed in decades.

Stilta exists to fix that: we build agentic AI for intellectual property, creating the technology that will finally modernize how the world’s most important ideas are defended. We work with three of the five largest IP firms in the world and with Fortune 500 enterprise companies like Roche and Maersk. Backed by Y Combinator, NVIDIA, Microsoft, and top Silicon Valley investors.

We are four engineers from McKinsey QuantumBlack who wanted to do the most technically ambitious work of their careers in a domain that actually matters. Based in Sweden and US.

Founders

Oscar Adamsson
Oscar Adamsson

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.

Oskar Block
Oskar Block

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

Tobias Estreen
Tobias Estreen

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.

Petrus Werner
Petrus Werner

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.

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