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

Spi Pharma — 13 Patents

Rank (All Time): #44,437 of 105,732Top 45%
9 inventors
13 Patents All Time

Patents per Year

Patents granted per year, 2006 to 2025Bar chart with a peak of 2 patents in 2013.peak 22006: 1 patents20062007: 1 patents20072013: 2 patents20132015: 2 patents20152016: 1 patents20162019: 1 patents20192020: 1 patents20202022: 1 patents20222023: 2 patents20232025: 1 patents2025

Top Inventors at Spi Pharma All Time

Showing 1–9 of 9 inventors

RankNamePatents
1 Cecil W. Propst 8
2 Arun F. Amin 5
2 Gary T. Norman 5
#4 Kalyan S. Nuguru 4
#4 Marc W. Meadows 4
#4 Michael S. Todd 4
#4 Sarath Chandar 4
#8 John G. Tillotson 3
#9 Diane Goll 1

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