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USPTO Patent Rankings Data through Dec 31, 2025
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Christopher Worrall — 8 Patents

Merck: 3 patents #3,082 of 9,382Top 35%
CLCyclacel Limited: 2 patents #29 of 83Top 35%
GCGilead Calistoga: 2 patents #15 of 27Top 60%
SCSigma-Aldrich Co.: 1 patents #81 of 187Top 45%
Intel: 1 patents #18,326 of 30,777Top 60%
Grafton, GB: #104 of 1,495 inventorsTop 7%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Christopher Worrall has been granted 8 US patents while listed as an inventor at Merck. The first was granted in 2004 and the most recent in October 2019. Christopher Worrall ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Christopher Worrall in Grafton, GB.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10442805 Polymorphic forms of a hydrochloride salt of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one Suzanne BUTTAR, Ernest A. Carra, Tracy Ehiwe, Duong Tran, Fang Wang +1 more 2019-10-15
9708327 Polymorphic forms of a hydrochloride salt of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one Suzanne BUTTAR, Ernest A. Carra, Tracy Ehiwe, Duong Tran, Fang Wang +1 more 2017-07-18
9573951 Crystalline forms of a purine derivative Benjamin Mark Skead, Jonathan Charles Christian Atherton, Julian Scott Northen, Philippe Fernandes 2017-02-21
9403820 Kinase inhibitor polymorphs Pingda Ren, Michael Martin, Susanna del Rio Gancedo 2016-08-02
8889861 Crystalline forms of a purine derivative Benjamin Mark Skead, Jonathan Charles Christian Atherton, Julian Scott Northen, Philippe Fernades 2014-11-18
6939479 Cycloalkanone derivatives Louise Diane Farrand, Owain Llyr Parri, Ian Victor Edward Hassall, Julian Vaughan-Spickers 2005-09-06 $148,968,000
6849203 Photoisomerizable compounds Louise Diane Farrand, Owain Llyr Parri 2005-02-01 $107,925,000
6695978 Mono-, oligo- and polymers of benzo[b]thiophene and 2,2′-bisbenzo[b]thiophene and their use as charge transport materials Martin Heeney, Steven Tierney, Louise Diane Farrand, Mark Giles, Marcus Thompson +3 more 2004-02-24 $70,497,000