USPTO Art Unit 1644 Examiners: Allowance Rates (36% Average)

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

Art unit baseline (last 5 years, 5,040 dispositions): 36% allowance rate • 4.1 office actions per allowance • 1,185 days median pendency

Examiner	Allowance rate	Resolved cases	Pending apps
Amy Marie Chattin	100.0%	2	0
Bridget E Bunner	100.0%	1	0
Julie Zhen Qin Wu	100.0%	1	0
Gregory S Emch	100.0%	1	0
Docket Central	100.0%	1	0
Kaijiang Zhang	100.0%	1	0
Ilia I Ouspenski	77.6%	1,127	38
Lindsay Michelle Dunn	75.0%	4	23
David A Saunders	67.9%	165	0
Estella M Gustilo	66.7%	3	0
Hilary Ann Petrash	64.5%	62	17
Michail A Belyavskyi	64.2%	1,114	42
Maureen Varina Driscoll	64.1%	92	21
Brian Hartnett	63.6%	143	0
James Ryland Melchior	63.0%	73	26
Yunsoo Kim	61.5%	701	0
Zachary S Skelding	59.8%	835	38
Peter N. Johansen	59.5%	222	50
Phuong N Huynh	59.4%	950	0
James L Rogers	57.2%	400	0
Lia Elan Taylor	56.5%	62	0
Michael Edward Szperka	53.0%	664	0
Nora Maureen Rooney	51.8%	508	0
Lea S O'Brien	50.0%	4	0
Sharon X Wen	48.7%	450	0
Phillip Gambel	46.4%	664	0
Julia Anne Lorrain Rossi	45.7%	35	0
Chun Wu Dahle	45.7%	510	0
Anne Gussow	45.5%	11	0
Brianna Kendall Swartwout	45.2%	62	1
Amy E Juedes	44.8%	924	38
Maher M Haddad	42.0%	773	0
Dennis Cherian George	38.5%	13	10
Marianne Dibrino	33.3%	469	0
Francois P Vandervegt	31.2%	16	0
Gerald R Ewoldt	28.6%	521	0
Katherine Ann Holtzman	25.0%	8	0
Daniel E Kolker	21.8%	55	0
Ronald B Schwadron	18.9%	408	0
Samira Jm Jean-Louis	0.0%	4	0
Ram R Shukla	0.0%	2	0
Patricia Ann Duffy	0.0%	1	0
Brenda Libby Coleman	0.0%	1	0

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1644?

35.8% over the last five years, across 5,040 resolved applications.

Which examiners in Art Unit 1644 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Ilia I Ouspenski (77.6%, 1,127 resolved), David A Saunders (67.9%, 165 resolved), Hilary Ann Petrash (64.5%, 62 resolved).

Which examiners in Art Unit 1644 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Ronald B Schwadron (18.9%, 408 resolved), Daniel E Kolker (21.8%, 55 resolved), Gerald R Ewoldt (28.6%, 521 resolved).

USPTO Art Unit 1644: Examiners and Allowance Rates

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1644?

Which examiners in Art Unit 1644 have the highest allowance rates?

Which examiners in Art Unit 1644 have the lowest allowance rates?

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