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

Peter James Dunn — 9 Patents

Pfizer: 7 patents #741 of 5,153Top 15%
NPNovartis International Pharmaceutical: 2 patents #11 of 55Top 20%
Sandwich, GB: #12 of 150 inventorsTop 8%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Peter James Dunn has been granted 9 US patents while listed as an inventor at Pfizer. The first was granted in 1999 and the most recent in April 2010. Peter James Dunn ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Peter James Dunn in Sandwich, GB.

Patents per Year

Patents granted per year, 1999 to 2010Bar chart with a peak of 2 patents in 2001.peak 21999: 1 patents19992000: 1 patents20002001: 2 patents20012003: 2 patents20032005: 1 patents20052006: 1 patents20062010: 1 patents2010

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7696357 Stable hydrate of a muscarinic receptor antagonist John G. Matthews, Trevor Jack Newbury, Garry O'Connor 2010-04-13 $12,820,000
7005520 Process for the preparation of pyrazolopyrimidinones Catherine Dunne 2006-02-28 $318,973,000
6930188 Stable hydrate of a muscarinic receptor antagonist John G. Matthews, Trevor Jack Newbury, Garry O'Connor 2005-08-16 $9,785,000
6667398 Process for the preparation of pyrazolopyrimidinones Catherine Dunne 2003-12-23 $199,934,000
6653339 Method of treating irritable bowel syndrome Michael Humphrey, Paul Quinn 2003-11-25 $598,414,000
6207829 Process for preparation of pyrazolo[4,3-d]pyrimidin-7-ones and intermediates thereof Philip Charles Levett 2001-03-27 $697,533,000
6180665 Crystalline polymorphic form of (S,S,S)-N-(1-[2-carboxy-3 (N2-mesyllyslamino) propyl]-1- cyclopentylcarbonyl) tyrosine Michael L. Hughes 2001-01-30 $794,697,000
6066735 Process for preparing sildenafil Albert Shaw Wood 2000-05-23 $415,050,000
5955611 Process for preparing sildenafil Albert Shaw Wood 1999-09-21 $212,743,000