Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1671: Examiners and Allowance Rates

77 examiners • 11 with pending office actions • Biotechnology & Pharmaceuticals (Tech Center 1600)

Art unit baseline (last 5 years, 2,739 dispositions): 40% allowance rate • 5.4 office actions per allowance • 1,359 days median pendency
ExaminerAllowance rateResolved casesPending apps
Michelle S Horning100.0%910
Thomas J Visone100.0%50
Julie Zhen Qin Wu100.0%30
Claire Adrienne Cornelius100.0%20
Peter N. Johansen100.0%10
Chun Wu Dahle100.0%10
Docket Central100.0%10
Jennifer Wecker100.0%10
Samantha J Bowen100.0%10
Anne Gussow100.0%10
Noah Andrew Auger100.0%10
Lindsay Michelle Dunn100.0%10
Alyssa Rae Stonebraker100.0%10
Laura B Goddard100.0%10
Porfirio Nazario Gonzalez92.3%2480
Bao Q Li92.3%27213
Michael L Borin90.1%810
Elvis O Price89.2%930
Jeffrey S Parkin87.6%2490
Yate Kai Rene Cutliff87.3%1180
Kofi Adzamli86.3%2550
Sikarl A Witherspoon85.9%4340
Jerry Lin85.9%850
Benjamin P Blumel85.8%23245
Jesse P Frumkin85.2%270
Jafar F Parsa84.6%3050
Deborah D Carr84.4%960
Myron G Hill83.8%17928
Sudhakar Katakam83.3%2690
Blaine G Doletski82.5%630
Shanon A Foley82.1%23529
Amy C Bonaparte80.8%2390
Medhanit W Bahta80.4%2910
Mark R Luderer79.6%3190
Paul A Zucker78.6%3880
Pancham Bakshi78.0%4000
Agnieszka Boesen77.3%660
Karl J Puttlitz76.3%3080
Katherine Arceneaux Willard75.0%40
Ana Z Muresan74.7%870
Rachel B Gill73.2%18337
Clinton A Brooks72.6%4050
M Franco G Salvoza71.4%420
Nianxiang Zou69.5%17439
Michael D Allen68.9%4559
Barry A Chestnut67.4%430
Nicole Erin Kinsey White67.3%490
Lori A Clow66.7%540
Stacy Brown Chen64.9%570
Jennifer C Sawyer62.6%1820
Rosalynd Ann Keys61.6%3020
Carey Alexander Mc Stuart60.8%790
Ruixue Wang59.2%490
Jeffrey Mark Sifford54.7%6434
Cassandra Senn Grizer50.0%20
Samadhan Jaising Jadhao48.1%270
Robert James Kallal46.7%300
Janet L Andres41.2%170
Kristina Elisabeth Ly37.5%828
Janna Nicole Schultzhaus36.8%380
Immaculada Barrera30.0%3019
Marie Archer30.0%100
Vy Bui Rossi25.0%40
Emilie Aline Smith22.2%180
Soren T Harward22.0%820
Joseph Constantine Pulliam18.8%160
Marlene Vreni Buckmaster16.7%60
Jonathan Edward Hayes14.3%140
Meredith Abbott Vassell14.3%140
Fereydoun Ghotb Sajjadi12.5%80
Olivia M. Wise10.7%280
Theodore Charles Striegel5.0%200
Karlheinz R Skowronek0.0%380
Danyal Hassan Alam0.0%10
Jianming Tang0.0%10
Yie Chia Lee0.0%10
Michael John Allen Bellecourt—04

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1671?

39.7% over the last five years, across 2,739 resolved applications.

Which examiners in Art Unit 1671 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Michelle S Horning (100.0%, 91 resolved), Porfirio Nazario Gonzalez (92.3%, 248 resolved), Bao Q Li (92.3%, 272 resolved).

Which examiners in Art Unit 1671 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Karlheinz R Skowronek (0.0%, 38 resolved), Soren T Harward (22.0%, 82 resolved), Immaculada Barrera (30.0%, 30 resolved).

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