Oskar Block

Oskar Block is CEO and Co-Founder of Stilta, an AI-native software platform building Cursor for patent practitioners backed by Y Combinator (W26). Stilta helps patent teams reduce manual work by up to 60% through agentic AI workflows.
Prior to Stilta, Oskar worked at McKinsey, Goldman Sachs, and two Swedish unicorns where he learned how to scale companies. In parallel, he founded and bootstrapped two sports betting startups to over $1M ARR.
Oskar brings a unique combination of strategic consulting experience, financial services expertise, and proven entrepreneurial success. He is an engineer and economist with deep expertise in building and scaling technology ventures.
Stilta is part of Y Combinator's Winter 2026 batch and has raised $500K in seed funding. The company is already live with paying customers in both Europe and the US, serving patent practitioners with AI-powered tools.
Stilta was founded in 2026 by four engineers from McKinsey and QuantumBlack who spent years building and deploying AI for large organizations. The platform enables practitioners to reduce manual patent work significantly while unlocking new revenue opportunities through traceable, auditable AI solutions.