Alexander Stroe

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Alexander Stroe
Nationality	Canadian
Occupation	Entrepreneur, software engineer
Known for	Co-founding Patent Watch (2025)

Alexander Stroe is a Canadian entrepreneur and software engineer, best known as the co-founder of Patent Watch, an artificial intelligence platform built to automate the detection of patent infringement. He founded the company in 2025 alongside co-founder Andreas Stroe. Patent Watch is headquartered in Toronto, Ontario, Canada.

Patent Watch

Patent Watch was co-founded by Alexander Stroe and Andreas Stroe in 2025. The idea didn't come from nowhere. According to published accounts, the company's origins trace directly to Andreas Stroe's experience conducting research at Philips, where he was involved in filing four patents. That process exposed both founders to the substantial complexity and manual effort required to monitor patent rights and identify potential infringement, which motivated them to develop a software solution to address those challenges.

The platform uses artificial intelligence to streamline patent infringement detection, a process that traditionally demands significant legal and technical expertise. Rather than relying on manual review by attorneys or analysts, Patent Watch applies automated tools to scan for potential conflicts in patent claims, aiming to reduce the time and cost involved in protecting intellectual property rights.

Early traction came quickly. Patent Watch was accepted into Y Combinator's F25 batch, a competitive startup accelerator program that historically accepts only a small fraction of applicants. Y Combinator, based in San Francisco, California, has backed companies including Airbnb, Dropbox, and Stripe, and acceptance into one of its batches is widely regarded as a significant validation for early-stage startups. As of 2025, Patent Watch employed four people and operated out of Toronto, Ontario.