Art Unit 1792
Group 1790Food, Analytical Chemistry, Sterilization, Biochemistry, and Electrochemistry
- Active examiners
- 68
- Average office actions per grant
- 2.24
Grant ratio
- Art Unit 1792
- 39.5%
- Group 1790
- 50.8%
Active examiners
| Viren Thakur | 13.7% | 3.15 | October 2026 |
|---|---|---|---|
| Drew E Becker | 43.4% | 2.21 | October 2026 |
| Assaf Zilbering | 27.9% | 3.16 | October 2026 |
| Ericson M Lachica | 25.1% | 3.47 | October 2026 |
| Steven Leff | 35.9% | 3.04 | October 2026 |
| Hong Thi Yoo | 51.2% | 2.80 | October 2026 |
| Jyoti Chawla | 48.6% | 2.42 | October 2026 |
| Bryan Kim | 21.9% | 3.35 | October 2026 |
| Thanh H Nguyen | 16.8% | 3.08 | October 2026 |
| Chaim Smith | 47.8% | 2.10 | October 2026 |
| Ashley Axtell | 9.4% | 4.25 | October 2026 |
| Bhaskar Mukhopadhyay | 29.7% | 3.72 | October 2026 |
| Austin P Taylor | 30.4% | 2.34 | October 2026 |
| Shamim Ahmed | 60.3% | 1.62 | October 2026 |
| Yewebdar T Tadesse | 71.2% | 1.73 | October 2026 |
| Ram N Kackar | 21.5% | 2.52 | October 2026 |
| Joseph L. Perrin | 58.1% | 1.69 | October 2026 |
| Bret Chen | 74.4% | 1.58 | October 2026 |
| Keath T Chen | 25.8% | 2.91 | October 2026 |
| Cachet Sellman | 62.7% | 1.86 | October 2026 |
| Robert M. Kunemund | 70.9% | 1.68 | October 2026 |
| Roberts Culbert | 64.7% | 1.46 | September 2026 |
| Binh X. Tran | 71.1% | 1.73 | October 2026 |
| David Turocy | 50.0% | 2.82 | October 2026 |
| William Phillip Fletcher Iii | 54.1% | 1.96 | October 2026 |
| Katherine A. Bareford | 11.1% | 3.31 | October 2026 |
| Kelly Bekker | 0.9% | 2.86 | October 2026 |
| Rudy Zervigon | 20.6% | 2.44 | October 2026 |
| Janice Y Silverman | 0.9% | 2.65 | October 2026 |
| Anita Alanko | 55.0% | 1.90 | October 2026 |
| Luis Eugenio Diou Berdecia | 21.4% | 1.90 | October 2026 |
| Karla Moore | 30.1% | 2.76 | October 2026 |
| Duy Vu Nguyen Deo | 62.6% | 1.80 | October 2026 |
| Sylvia R. Macarthur | 27.0% | 2.50 | October 2026 |
| Sharidan Carrillo | 44.8% | 2.14 | October 2026 |
| Jeffrie R. Lund | 25.0% | 2.50 | October 2026 |
| Brian K. Talbot | 42.9% | 2.30 | October 2026 |
| Karla I Diviesti | 1.3% | 1.00 | October 2026 |
| Kelly Gambetta | 63.9% | 2.16 | October 2026 |
| Robert S. Walters Jr | 13.9% | 3.49 | October 2026 |
| Robert Vetere | 22.5% | 2.33 | October 2026 |
| Tabassom Tadayyon Eslami | 28.2% | 2.92 | October 2026 |
| Alexander Weddle | 23.9% | 2.20 | October 2026 |
| Rita P Adhlakha | 56.1% | 1.63 | September 2026 |
| Joseph A Miller, Jr | 30.8% | 2.11 | October 2026 |
| Matthew J Song | 55.4% | 2.25 | October 2026 |
| Eric Golightly | 29.7% | 1.66 | October 2026 |
| Andrew Bowman | 47.5% | 2.33 | October 2026 |
| Ariel M Rodgers | 1.7% | 1.00 | October 2026 |
| Mandy C. Louie | 17.5% | 2.50 | October 2026 |
| Nathan H Empie | 11.8% | 2.71 | October 2026 |
| Nathan K. Ford | 24.0% | 3.22 | October 2026 |
| Michael G. Miller | 22.9% | 2.91 | October 2026 |
| Luz Alejandro Mulero | 19.1% | 2.35 | October 2026 |
| Nathan T. Leong | 25.0% | 1.84 | October 2026 |
| Jason Ko | 35.9% | 1.72 | September 2026 |
| Michael Wieczorek | 10.3% | 2.32 | October 2026 |
| David Cormier | 26.3% | 2.40 | October 2026 |
| Xiao Zhao | 27.8% | 2.22 | October 2026 |
| Natasha Campbell | 39.4% | 1.98 | October 2026 |
| Michelle Crowell | 38.7% | 2.44 | October 2026 |
| Benjamin Lee Osterhout | 43.3% | 1.62 | October 2026 |
| Alex A Rolland | 17.2% | 2.69 | October 2026 |
| Ryan Coleman | 41.4% | 2.25 | October 2026 |
| Tiffany Z Nuckols | 11.5% | 3.18 | October 2026 |
| Albert Hilton | 50.0% | 2.16 | October 2026 |
| Stephanie Duclair | 100.0% | 2.28 | October 2026 |
| Tabatha Penny | 100.0% | 3.11 | October 2026 |
Examiner distribution
- Median grant ratio
- 29.7%
- Middle 50% of grant ratios
- 21.4%–48.6%
- Median office actions / grant
- 2.33
- Middle 50% of office actions / grant
- 1.90–2.82
Active examiners with at least 20 applications.
Other associated examiners
Examiners without recent activity.
| Anthony Weier | 81.5% | 1.63 | May 2025 Appears inactive |
|---|---|---|---|
| Lela S. Williams | 34.5% | 3.26 | June 2024 Appears inactive |
| Preston Smith | 36.4% | 2.92 | November 2020 Appears inactive |
| Luana Z. Long | 37.2% | 2.62 | August 2015 Appears inactive |
| Frankie L. Stinson | 65.3% | 1.47 | August 2012 Appears inactive |
| Lan Vinh | 71.1% | 1.64 | October 2022 Appears inactive |
| Samuel A. Waldbaum | 35.0% | 1.78 | November 2010 Appears inactive |
| Erma Cameron | 61.7% | 1.66 | December 2018 Appears inactive |
| Frederick J. Parker | 66.4% | 1.38 | October 2014 Appears inactive |
| Maki Angadi | 58.3% | 1.69 | February 2017 Appears inactive |
| Laura Edwards | 66.7% | 1.85 | September 2023 Appears inactive |
| Rakesh Dhingra | 44.3% | 2.36 | July 2021 Appears inactive |
| Maureen Gramaglia | 31.9% | 2.63 | September 2015 Appears inactive |
| James Lin | 47.2% | 2.14 | June 2025 Appears inactive |
| Elena Tsoy Lightfoot | 23.9% | 2.99 | July 2016 Appears inactive |
| Marianne L. Padgett | 29.4% | 2.54 | October 2020 Appears inactive |
| N. Edwards | 82.9% | 1.17 | June 2014 Appears inactive |
| Brenda A. Lamb | 76.5% | 1.74 | April 2010 Appears inactive |
| Elizabeth Burkhart | 29.6% | 2.26 | December 2024 Appears inactive |
| Jason Heckert | 35.8% | 1.98 | January 2011 Appears inactive |
| Alexander Markoff | 18.4% | 2.44 | July 2026 Potentially inactive |
| G. Nagesh Rao | 67.1% | 2.00 | September 2010 Appears inactive |
| Nicole Blan | 31.6% | 2.41 | February 2024 Appears inactive |
| Saeed T. Chaudhry | 57.3% | 1.80 | October 2017 Appears inactive |
| Satish Chandra | 16.4% | 2.53 | September 2014 Appears inactive |
| Jason Riggleman | 37.1% | 2.07 | March 2021 Appears inactive |
| Allan Olsen | 77.3% | 1.67 | December 2025 Appears inactive |
| Mahmoud Dahimene | 48.4% | 2.37 | June 2021 Appears inactive |
| Stephen Ko | 24.1% | 2.43 | July 2010 Appears inactive |
| Kin-Chan Chen | 75.9% | 1.37 | April 2009 Appears inactive |
| Ryan Schiro | 35.4% | 1.93 | July 2010 Appears inactive |
| Rena D. Cronin | 2.1% | 1.88 | September 2020 Appears inactive |
| Felisa Hiteshew | 85.7% | 1.14 | May 2009 Appears inactive |
| Kirsten Jolley | 47.6% | 1.97 | July 2020 Appears inactive |
| Joel Horning | 9.8% | 3.15 | December 2023 Appears inactive |
| Erik Kashnikow | 24.3% | 3.48 | July 2024 Appears inactive |
| Francis P. Smith | 23.5% | 1.63 | March 2009 Appears inactive |
| Alain L. Bashore | 62.1% | 1.00 | October 2008 Appears inactive |
| Naomi Birbach | 19.2% | 2.00 | January 2010 Appears inactive |
| Danny Chen | 29.2% | 1.57 | December 2013 Appears inactive |
| Daniel M. Propster | 5.6% | 3.00 | August 2013 Appears inactive |
| Sophia Leung | 11.8% | 1.50 | October 2013 Appears inactive |
| Richard Bueker | 0.0% | N/A | June 2008 Appears inactive |
| George A. Goudreau | 75.0% | 1.00 | July 2008 Appears inactive |
| Erin Evans | 0.0% | N/A | April 2008 Appears inactive |
| William Kuduk | 0.0% | N/A | March 2014 Appears inactive |
| Charles W. Kling | 100.0% | 1.90 | July 2013 Appears inactive |
Based on available public USPTO records; may be incomplete.