Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JL

John Lem — 4 Patents

SBSpartan Bioscience: 4 patents #3 of 27Top 15%
Toronto, CA: #2,055 of 9,482 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John Lem has been granted 4 US patents while listed as an inventor at Spartan Bioscience. The first was granted in 2008 and the most recent in August 2019. John Lem ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Lem in Toronto, ON, CA.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10391498 Systems and methods for nucleic acid amplification Chris Harder, Michael Buxton, Lawrence J. Dickson, Joel Koscielski, Derek Glennie 2019-08-27
D817509 Diagnostic device David Andrew McMullin, Xavier Boulerice, William Dicke, Chris Harder 2018-05-08
D814652 Cartridge Michael Buxton, Chris Harder, Joel Koscielski, Derek Glennie, Lawrence J. Dickson 2018-04-03
7466908 System for rapid nucleic acid amplification and detection Paul Lem, Jamie Spiegelman 2008-12-16