Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Witham, GB ranks #2,001 worldwide for total patents filed all time, with 1,621 patents from 430 inventors. Leading employers of inventors based in Witham, GB include Darwin Discovery Limited, Merck, Smithkline & French Laboratories.

Showing 1–50 of 430 inventors

Rank Inventor Primary Company Patents
1 John Gary Montana Darwin Discovery Limited 72
2 Janusz Jozef Kulagowski Merck 66
3 Robert J. Ife Smithkline & French Laboratories 58
#4 Simon Parry Nortel Networks Limited 28
#5 Kevin James Doyle Astrazeneca Ab 26
#6 Simon N. Pettit AbbVie 23
#6 Robert Friskney Nortel Networks Limited 23
#8 Karine G. Poullennec Gilead Sciences 22
#8 Michael A. Stockham National Research Development 22
#10 Dale Robert Mitchell Astex Therapeutics Limited 21
#10 Malcolm Robert Snowball W. M. Still & Sons Limited 21
#10 Peter Robert George Horrell Mineral Lassen 21
#10 Dean Kitchener Nortel Networks Limited 21
#10 David Wyn Watson Astrazeneca Ab 21
#15 Amanda Jane VAN DE POËL Astrazeneca Ab 19
#15 David Ferry Virgin Atlantic Airways Limited 19
#15 Derek A. Hollingsbee Bristol-Myers Squibb 19
#18 Adrian N. Farr Avery Dennison Retail Information Services 18
#19 Paul Francis McKee British Telecommunications Public Limited 17
#20 Kim Louise Hirst Astex Therapeutics Limited 16
#20 Victoria Alexandra Steadman Gilead Sciences 16
#22 Brian Barney Norton Healthcare Limited 15
#22 Ivan Leo Pinto Smithkline Beeacham P.L.C. 15
#24 Adrian Sparks Nortel Networks Limited 14
#24 Jaqueline Anne MACRITCHIE Astrazeneca Ab 14
#24 Andrea Sabot Illumina 14
#27 Samuel Edward Mann Johnson & Johnson 13
#27 Patrizia Tisselli Johnson & Johnson 13
#29 Terence C. Webb Ciba-Geigy 12
#29 Rob OTTER JPMorgan Chase 12
#31 Victor T. Hawkswell 11
#31 Andrew John Keats Gilead Sciences 11
#31 Geoffrey A. Farmer Pitney Bowes 11
#34 Russell M. Thompson Infineum International Limited 10
#34 Alan Gamblin Rhone-Poulenc Agriculture 10
#34 Cheryl Vanessa Rogerson Smithkline Beecham Limited 10
#34 Kenneth West Hutt ICI 10
#34 Brian Lane Alpha Thames 10
#39 Daniel I. Levy Bfs Diversified Products 9
#39 Ronald Bruin Clement Clarke International 9
#39 Andrew Francis Rotolight Limited 9
#39 Andrew P. Ramsbottom Pilkington Pe Limited 9
#39 Donald E. A. Clarke British Telecommunications Public Limited 9
#44 Mark R. Buckingham 3M 8
#44 Ian Philip Butler Ingham Tonejet Limited 8
#44 Roger N. Barker ICI 8
#44 Paul John Whiting Merck 8
#44 James P. Gregson Dana-Farber Cancer Institute 8
#44 Roy Heppinstall Eev Limited 8
#44 Don Andreas Josephine Kees Ford 8