News: Lightbringer raises $10 million in Series A funding

First to file vs first to invent: which system does the US use?

The US has used a first-inventor-to-file system since 2013, and the rest of the world has long operated on first-to-file, meaning patent rights go to whoever files first, regardless of who invented it first, provided the filer is a genuine inventor. This makes filing speed a real competitive factor everywhere once an invention is developed.