Art Unit 1797
Group 1790Food, Analytical Chemistry, Sterilization, Biochemistry, and Electrochemistry
- Active examiners
- 89
- Average office actions per grant
- 1.96
Grant ratio
- Art Unit 1797
- 60.2%
- Group 1790
- 50.8%
Active examiners
| Christine T. Mui | 70.4% | 2.00 | October 2026 |
|---|---|---|---|
| Maureen Wallenhorst | 74.9% | 1.47 | October 2026 |
| Xiaoyun R Xu, Ph. D | 56.2% | 2.38 | October 2026 |
| Arlen Soderquist | 52.9% | 2.25 | October 2026 |
| Dwan A Gerido | 50.0% | 2.46 | October 2026 |
| Lore Jarrett | 61.9% | 2.32 | October 2026 |
| Robert Eom | 57.7% | 2.88 | October 2026 |
| Sam P. Siefke | 62.4% | 2.35 | October 2026 |
| Jennifer Wecker | 73.9% | 1.81 | October 2026 |
| Michelle Adams | 59.3% | 2.83 | September 2026 |
| Paul Hyun | 70.6% | 2.35 | October 2026 |
| Brian J. Sines | 84.9% | 1.51 | October 2026 |
| Rebecca M Fritchman | 45.7% | 3.54 | October 2026 |
| Oyeleye Alexander Alabi | 64.1% | 1.57 | October 2026 |
| Emily R Berkeley | 73.1% | 2.20 | October 2026 |
| Jonathan Bortoli | 54.7% | 1.82 | October 2026 |
| Joseph W. Drodge | 60.2% | 1.66 | October 2026 |
| Frank Lawrence | 79.1% | 1.33 | October 2026 |
| Robert A. Hopkins | 83.3% | 1.30 | October 2026 |
| Kathryn E Limbaugh | 54.7% | 1.63 | October 2026 |
| Krishnan S. Menon | 38.9% | 2.19 | October 2026 |
| Prem C. Singh | 66.3% | 2.19 | September 2026 |
| Charles E. Cooley In Art Unit 1797 | 67.9% | 1.82 | October 2026 |
| Cephia D. Toomer | 58.5% | 1.79 | October 2026 |
| Fred Prince | 79.9% | 1.38 | October 2026 |
| David Sorkin | 51.3% | 2.12 | October 2026 |
| Natasha Young | 70.7% | 1.73 | October 2026 |
| Robert Clemente | 64.6% | 1.47 | October 2026 |
| Brian Mccaig | 76.2% | 1.47 | October 2026 |
| Huy-Tram Nguyen | 79.6% | 1.52 | October 2026 |
| Sean E. Conley | 48.9% | 1.73 | October 2026 |
| James Goloboy | 65.7% | 2.25 | October 2026 |
| In Suk Bullock | 65.9% | 1.54 | October 2026 |
| Dung H Bui | 78.6% | 1.62 | October 2026 |
| Elizabeth Mckane | 53.5% | 1.98 | October 2026 |
| William H. Beisner | 56.9% | 1.97 | October 2026 |
| John Kim | 60.7% | 1.78 | October 2026 |
| Randy Boyer | 52.5% | 1.98 | October 2026 |
| Benjamin Kurtz | 26.4% | 2.42 | October 2026 |
| Nathan Andrew Bowers | 36.4% | 2.63 | October 2026 |
| Scott Bushey | 75.0% | 1.45 | October 2026 |
| Dwayne K. Handy | 48.7% | 2.48 | October 2026 |
| Jennifer A. Leung | 53.0% | 2.08 | October 2026 |
| P. Kathryn Wright | 41.7% | 2.68 | October 2026 |
| Brian R. Gordon | 40.4% | 2.09 | October 2026 |
| Ellen M Mcavoy | 47.8% | 1.65 | October 2026 |
| Christopher P. Jones | 67.6% | 1.51 | October 2026 |
| Jyoti Nagpaul | 60.4% | 1.80 | October 2026 |
| Tam M. Nguyen | 69.7% | 1.83 | October 2026 |
| Frank C Campanell | 72.6% | 2.06 | October 2026 |
| Amber Orlando | 62.9% | 1.91 | October 2026 |
| Lydia Edwards | 62.0% | 2.45 | October 2026 |
| Taiwo Oladapo | 53.0% | 2.85 | October 2026 |
| Dennis M. White | 38.4% | 2.16 | October 2026 |
| Britney N Washington | 25.8% | 1.32 | October 2026 |
| Robert J. Popovics | 36.1% | 2.09 | October 2026 |
| Bobby Ramdhanie | 60.4% | 1.30 | October 2026 |
| Lessanework Seifu | 80.0% | 1.41 | October 2026 |
| Michael Hobbs | 41.5% | 2.12 | October 2026 |
| Pamela Hl Weiss | 38.9% | 1.99 | October 2026 |
| Neil N Turk | 51.7% | 2.60 | October 2026 |
| Monzer R. Chorbaji | 32.9% | 1.38 | October 2026 |
| Sonji Turner | 74.4% | 1.53 | October 2026 |
| Alison Claire Gerhard | 1.3% | 1.00 | October 2026 |
| Kevin C Joyner | 19.2% | 1.97 | October 2026 |
| Regina M Yoo | 30.8% | 2.57 | October 2026 |
| Madeline Gonzalez | 43.5% | 2.13 | October 2026 |
| Renee Robinson | 65.2% | 1.98 | October 2026 |
| Chantel Graham | 25.0% | 1.74 | October 2026 |
| Ming Cheung Po | 23.3% | 3.44 | October 2026 |
| Anthony Shumate | 27.1% | 1.76 | September 2026 |
| Danielle Henkel | 24.5% | 2.87 | October 2026 |
| Latosha Hines | 7.5% | 3.06 | October 2026 |
| Dirk Bass | 26.9% | 2.60 | October 2026 |
| Jonathan M Hurst | 16.7% | 2.78 | October 2026 |
| Tracy C Colena | 0.0% | N/A | October 2026 |
| Dean Kwak | 53.1% | 2.95 | October 2026 |
| Sharon Pregler | 57.1% | 1.62 | October 2026 |
| Timothy C Cleveland | 58.8% | 1.99 | October 2026 |
| Michelle Stein | 66.7% | 3.44 | October 2026 |
| Eric J. Mccullough | 7.7% | 3.54 | October 2026 |
| Akash K Varma | 25.0% | 2.48 | October 2026 |
| Allison Fitzsimmons | 50.0% | 2.38 | October 2026 |
| T. Bennett Mckenzie | 45.5% | 2.43 | October 2026 |
| Mickey Huang | 75.0% | 1.88 | October 2026 |
| Vishal V Vasisth | 100.0% | 2.18 | October 2026 |
| David Sample | 100.0% | 2.00 | October 2026 |
| Liliana Cerullo | 0.0% | 1.00 | October 2026 |
| Michael Nelson | 0.0% | 2.00 | September 2026 |
Examiner distribution
- Median grant ratio
- 56.6%
- Middle 50% of grant ratios
- 40.6%–67.3%
- Median office actions / grant
- 1.98
- Middle 50% of office actions / grant
- 1.62–2.35
Active examiners with at least 20 applications.
Other associated examiners
Examiners without recent activity.
| Christopher A. Hixson | 75.7% | 1.94 | May 2023 Appears inactive |
|---|---|---|---|
| Yelena G. Gakh, Ph.D | 43.4% | 2.12 | September 2017 Appears inactive |
| Bryan Kilpatrick | 65.9% | 3.15 | November 2024 Appears inactive |
| Minh-Chau Pham | 69.2% | 1.61 | February 2025 Appears inactive |
| Peter A. Hruskoci | 73.0% | 1.43 | November 2011 Appears inactive |
| Matthew O. Savage | 65.3% | 1.85 | September 2021 Appears inactive |
| Nina Bhat | 74.6% | 1.23 | October 2022 Appears inactive |
| Jason M. Greene | 77.0% | 1.45 | February 2025 Appears inactive |
| Lucas Stelling | 39.2% | 2.09 | June 2021 Appears inactive |
| Chester T Barry | 79.1% | 1.50 | June 2025 Appears inactive |
| Christopher Upton | 84.8% | 1.14 | April 2023 Appears inactive |
| Virginia Manoharan | 68.6% | 1.78 | April 2015 Appears inactive |
| Thuan D. Dang | 84.2% | 1.52 | December 2025 Appears inactive |
| Lyle A. Alexander | 54.0% | 2.12 | June 2026 Potentially inactive |
| Ana Fortuna | 67.4% | 1.78 | November 2021 Appears inactive |
| Ives Wu | 60.2% | 1.73 | September 2012 Appears inactive |
| Tom P. Duong | 56.9% | 1.50 | January 2023 Appears inactive |
| Richard L. Chiesa | 77.0% | 1.22 | September 2013 Appears inactive |
| Mr. Terry K Cecil | 50.0% | 1.77 | June 2026 Potentially inactive |
| Tony G. Soohoo | 65.5% | 1.51 | September 2021 Appears inactive |
| Thomas M. Lithgow | 66.1% | 1.57 | July 2022 Appears inactive |
| Cameron J. Allen | 66.3% | 1.66 | February 2025 Appears inactive |
| Timothy G. Kingan | 45.7% | 1.87 | September 2015 Appears inactive |
| Andrew Janca | 22.2% | 2.00 | December 2010 Appears inactive |
| Natalia Levkovich | 57.5% | 2.24 | January 2026 Appears inactive |
| Examiner name unavailable | 54.4% | 1.93 | June 2015 Appears inactive |
| David A. Reifsnyder | 65.3% | 1.30 | June 2019 Appears inactive |
| Shanta G. Doe | 65.3% | 1.91 | December 2015 Appears inactive |
| David C. Mellon | 33.3% | 2.24 | October 2022 Appears inactive |
| Shogo Sasaki | 46.0% | 1.78 | May 2026 Potentially inactive |
| Denise R. Anderson | 23.0% | 3.53 | August 2021 Appears inactive |
| Katherine Zalasky | 29.5% | 2.36 | February 2021 Appears inactive |
| Cedric Chan | 36.7% | 2.64 | July 2012 Appears inactive |
| Jan Ludlow | 26.7% | 2.18 | April 2018 Appears inactive |
| Ali Husain Faraz | 65.4% | 2.12 | September 2024 Appears inactive |
| Jameson Q. Ma | 17.3% | 2.05 | January 2011 Appears inactive |
| Jean Caraballo-Leon | 46.2% | 2.59 | November 2024 Appears inactive |
| Karla Hawkins | 61.5% | 1.74 | January 2018 Appears inactive |
| David Weisz | 56.0% | 2.07 | December 2011 Appears inactive |
| Douglas J. Theisen | 92.0% | 1.03 | March 2014 Appears inactive |
| Paul J. Durand | 69.4% | 1.54 | August 2013 Appears inactive |
| Sally Merkling | 25.5% | 2.69 | June 2025 Appears inactive |
| Steven R. Castaneda | 28.9% | 1.27 | March 2026 Appears inactive |
| Michael P Shimek | 85.7% | 1.60 | July 2024 Appears inactive |
| Benjamin J. Behrendt | 66.7% | 2.23 | December 2013 Appears inactive |
| Keri A. Moss | 44.0% | 1.18 | February 2009 Appears inactive |
| Marjorie Christian | 45.0% | 2.44 | August 2009 Appears inactive |
| Christopher Vandeusen | 35.3% | 2.47 | March 2014 Appears inactive |
| Tiffany N. Palmer | 58.8% | 1.75 | February 2011 Appears inactive |
| Charles D. Hammond | 62.5% | 2.12 | May 2013 Appears inactive |
| Jill Warden | 18.8% | 2.70 | December 2025 Appears inactive |
| Andrew Janca | 8.3% | 1.80 | December 2021 Appears inactive |
| Brad Gordon | 0.0% | 3.22 | August 2023 Appears inactive |
| Jerrod B. Marten | 25.0% | 1.00 | March 2009 Appears inactive |
| Rohit K. Dewan | 25.0% | 1.94 | October 2015 Appears inactive |
| David Chong | 0.0% | N/A | May 2008 Appears inactive |
| David Weisz | 0.0% | 1.29 | July 2025 Appears inactive |
| Bradley Etherton | 83.3% | 2.40 | April 2014 Appears inactive |
| Heidi Riviere | 0.0% | 2.59 | August 2025 Appears inactive |
| Frank Horvath | 0.0% | 1.00 | April 2023 Appears inactive |
| Anita Damron | 50.0% | 1.00 | July 2008 Appears inactive |
| Clark A Evans | 0.0% | N/A | May 2025 Appears inactive |
| In Suk Bullock | 50.0% | 1.00 | June 2010 Appears inactive |
| Monique A. Mirabeau | 100.0% | 1.00 | October 2008 Appears inactive |
| Ives Wu | 100.0% | 2.47 | June 2026 Potentially inactive |
| Joye L. Woodard | 100.0% | 2.12 | August 2016 Appears inactive |
Based on available public USPTO records; may be incomplete.