Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chung Chan — 36 Patents

ZYZymogenetics: 35 patents #20 of 284Top 8%
XOXoma: 1 patents #100 of 85Top 120%
Sammamish, WA: #116 of 2,558 inventorsTop 5%
Washington: #1,951 of 76,902 inventorsTop 3%
Overall (All Time): #92,222 of 4,157,543Top 3%
36 Patents All Time
Chung Chan has been granted 36 US patents while listed as an inventor at Zymogenetics. The first was granted in 2006 and the most recent in August 2017. Chung Chan ranks #92,222 of 4,157,543 US inventors in our database (top 2.2%). Patent records list Chung Chan in Sammamish, WA, US.

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9732143 Methods and materials for enhancing functional protein expression in bacteria Raphael D. Levy, Kiranjit Kaur Ahluwalia, Toshihiko Takeuchi 2017-08-15 $946,000
9499598 Mutants of IL-29 Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2016-11-22
8734776 Mutants of IL-29 Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2014-05-27
8361954 Use of IL-28 and IL-29 to treat cancer and autoimmune disorders Sean Doyle, Kevin M. Klucher, Pallavur V. Sivakumar, Wayne R. Kindsvogel 2013-01-29
8343476 Method of using IL-29 cystehne mutant to treat hepatitis C and hepatitis B Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2013-01-01
7858341 FGF18 production in prokaryotic hosts Brian Reardon, Susan H. Julien, Hong Liu 2010-12-28
7786075 Use of IL-28 and IL-29 to treat cancer and autoimmune disorders Sean Doyle, Kevin M. Klucher, Pallavur V. Sivakumar, Wayne R. Kindsvogel 2010-08-31 $5,350,000
7727518 Method of using IL-29 cysteine mutant to treat hepatitis C and hepatitis B Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2010-06-01 $4,705,000
7662590 Polynucleotide encoding an IL-28A polypeptide Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2010-02-16 $1,552,000
7662589 Polynucleotide encoding an IL-28A polypeptide Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2010-02-16 $1,552,000
7638305 Polynucleotide encoding an IL-28A polypeptide Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-12-29 $1,684,000
7629445 Isolated nucleic acid sequence comprising SEQ ID NO: 14 and methods of using said nucleic acid sequence Susan D. Holderman 2009-12-08 $1,861,000
7629149 Polynucleotide encoding an IL-28A polypepide Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-12-08 $1,861,000
7629148 Polynucleotide encoding an IL-28B polypeptide Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-12-08 $1,861,000
7608428 Polynucleotide encoding an IL-28B polypeptide Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-10-27 $1,379,000
7608427 Polynucleotide encoding an IL-28B polypeptide Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-10-27 $1,379,000
7595174 Polynucleotide encoding an il-29 polypeptide Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-09-29 $8,666,000
7588918 Polynucleotide encoding an IL-29 polypeptide Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-09-15 $4,232,000
7588919 Polynucleotide encoding an IL-28B polypeptide Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-09-15 $4,232,000
7582450 Polynucleotide encoding an IL-29 polypeptide Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-09-01 $4,221,000
7544779 Homogeneous preparations of IL-28 Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-06-09 $6,391,000
7517961 Homogeneous preparations of IL-28 and IL-29 Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-04-14 $2,544,000
7514536 Homogeneous preparations of IL-28A cysteine mutants Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-04-07 $1,682,000
7495079 Homogeneous preparations of IL-28 A Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-02-24 $1,174,000
7495078 Homogeneous preparations of IL-28 and IL-29 Lowell J. Brady, Kevin M. Klucher, Dennis L. Dong, Hong Liu, Paul O. Sheppard +1 more 2009-02-24 $1,174,000