Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Taft — 16 Patents

ZYZymogenetics: 16 patents #51 of 284Top 20%
Seattle, WA: #1,769 of 21,776 inventorsTop 9%
Washington: #6,223 of 76,902 inventorsTop 9%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
David Taft has been granted 16 US patents while listed as an inventor at Zymogenetics. The first was granted in 2001 and the most recent in September 2014. David Taft ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list David Taft in Seattle, WA, US.

Patents per Year

Patents granted per year, 2001 to 2014Bar chart with a peak of 4 patents in 2008.peak 42001: 1 patents20012002: 1 patents20022003: 1 patents20032006: 1 patents20062008: 4 patents20082009: 1 patents20092010: 3 patents20102011: 1 patents20112012: 2 patents20122014: 1 patents2014

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8822642 Dimeric fusion proteins and related compositions and methods Steven D. Levin, Margaret D. Moore, Craig Ostrander, Katherine E. Lewis, Robert J. Rosler +2 more 2014-09-02
8231866 Cytokine protein family Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2012-07-31
8124065 Cytokine Protein Family Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2012-02-28
7910313 Cytokine protein family Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2011-03-22
7829076 Method of using interferon-like potein ZCYTO20 (IL-28A) or ZCYTO22(IL-28B) to treat hepatitis B Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2010-11-09
7662927 Antibodies to ZCYTO20 (IL-28A) and ZCYTO22 (IL-28B) Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2010-02-16 $1,552,000
7655222 Method of using interferon-like protein ZCYTO20 (IL-28A) or ZCYTO22 (IL-28B) to treat hepatitis C Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2010-02-02 $1,460,000
7485699 Cytokine protein family Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2009-02-03 $1,527,000
7462467 Cytokine protein family Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2008-12-09 $3,166,000
7455993 Cytokine protein family Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2008-11-25 $3,134,000
7445773 Cytokine protein family Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2008-11-04 $905,000
7446172 Cytokine protein family Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2008-11-04 $905,000
7038032 Cytokine protein family Paul O. Sheppard, Brian A. Fox, Kevin M. Klucher, Wayne R. Kindsvogel 2006-05-02 $13,212,000
6514741 Tryptase-like polypeptide ztryp1 Scott R. Presnell 2003-02-04 $7,333,000
6380361 Educational kit and method containing novel alpha helical protein-34 Darrell C. Conklin 2002-04-30 $1,705,000
6265199 Disintegrin homologs Paul O. Sheppard, Nand Baindur, Theresa Deisher, Paul D. Bishop 2001-07-24