Liam O'Shea has been granted 9 US patents while listed as an inventor at Activ Surgical. The first was granted in 2001 and the most recent in September 2025. Liam O'Shea ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Liam O'Shea in Boston, MA, US.