Art Unit 1774
Group 1770Chemical Apparatus, Separation, and Purification
- Active examiners
- 25
- Average office actions per grant
- 1.80
Grant ratio
- Art Unit 1774
- 67.1%
- Group 1770
- 63.1%
Active examiners
| Charles E. Cooley In Art Unit 1797 | 75.2% | 1.82 | October 2026 |
|---|---|---|---|
| David Sorkin | 63.5% | 2.12 | October 2026 |
| Lessanework Seifu | 73.0% | 1.41 | October 2026 |
| Anshu Bhatia | 74.8% | 1.65 | October 2026 |
| Natasha Young | 79.2% | 1.73 | October 2026 |
| Timothy C Cleveland | 54.4% | 1.99 | October 2026 |
| Jennifer A. Leung | 58.2% | 2.08 | October 2026 |
| Huy-Tram Nguyen | 73.3% | 1.52 | October 2026 |
| Marc C Howell | 57.8% | 2.34 | October 2026 |
| Elizabeth Insler | 56.1% | 2.20 | October 2026 |
| Shuyi S Liu | 61.3% | 1.85 | October 2026 |
| Jelitza M Perez | 63.7% | 1.59 | October 2026 |
| Brian Mccaig | 79.8% | 1.47 | October 2026 |
| Abbas Rashid | 59.2% | 2.67 | September 2026 |
| Renee Robinson | 71.3% | 1.98 | October 2026 |
| Patrick M Mccarty | 24.7% | 2.02 | October 2026 |
| Christine T. Mui | 80.4% | 2.00 | October 2026 |
| Frank C Campanell | 74.8% | 2.06 | October 2026 |
| Alyssa Lee Kuykendall | 0.0% | N/A | October 2026 |
| Bobby Ramdhanie | 62.3% | 1.30 | October 2026 |
| Amber Orlando | 66.7% | 1.91 | October 2026 |
| Waqaas Ali | 0.0% | 1.67 | October 2026 |
| Claire Wang | 8.0% | 1.78 | October 2026 |
| Kara M Peo | 0.0% | 3.67 | October 2026 |
| Lydia Edwards | 73.3% | 2.45 | October 2026 |
Examiner distribution
- Median grant ratio
- 62.9%
- Middle 50% of grant ratios
- 55.7%–73.7%
- Median office actions / grant
- 1.91
- Middle 50% of office actions / grant
- 1.66–2.07
Active examiners with at least 20 applications.
Other associated examiners
Examiners without recent activity.
| Cameron J. Allen | 77.0% | 1.66 | February 2025 Appears inactive |
|---|---|---|---|
| Tony G. Soohoo | 74.7% | 1.51 | September 2021 Appears inactive |
| Tom P. Duong | 79.9% | 1.50 | January 2023 Appears inactive |
| Christopher Vandeusen | 34.6% | 2.47 | March 2014 Appears inactive |
| Derek Mueller | 77.9% | 1.67 | June 2021 Appears inactive |
| Gregory Y Huan | 77.9% | 1.72 | November 2022 Appears inactive |
| Andrew Janca | 20.5% | 1.80 | December 2021 Appears inactive |
| Andrew Janca | 14.3% | 2.00 | December 2010 Appears inactive |
| Noor F Ahmad | 54.5% | 1.39 | August 2022 Appears inactive |
| Denise R. Anderson | 31.3% | 3.53 | August 2021 Appears inactive |
| Shanta G. Doe | 100.0% | 1.91 | December 2015 Appears inactive |
| Examiner name unavailable | 0.0% | N/A | May 2026 Potentially inactive |
Based on available public USPTO records; may be incomplete.