Art Unit 1771
Group 1770Chemical Apparatus, Separation, and Purification
- Active examiners
- 22
- Average office actions per grant
- 2.07
Grant ratio
- Art Unit 1771
- 60.1%
- Group 1770
- 63.1%
Active examiners
| Vishal V Vasisth | 66.1% | 2.18 | October 2026 |
|---|---|---|---|
| James Goloboy | 56.5% | 2.25 | October 2026 |
| Cephia D. Toomer | 70.1% | 1.79 | October 2026 |
| Taiwo Oladapo | 46.3% | 2.85 | October 2026 |
| Ellen M Mcavoy | 70.7% | 1.65 | October 2026 |
| Chantel Graham | 70.5% | 1.74 | October 2026 |
| Latosha Hines | 48.0% | 3.06 | October 2026 |
| Randy Boyer | 66.0% | 1.98 | October 2026 |
| Pamela Hl Weiss | 55.1% | 1.99 | October 2026 |
| Juan C Valencia | 79.6% | 1.41 | October 2026 |
| Michelle Stein | 37.2% | 3.44 | October 2026 |
| Ming Cheung Po | 33.3% | 3.44 | October 2026 |
| Frank C Campanell | 63.4% | 2.06 | October 2026 |
| Brandi M. Doyle | 52.8% | 2.21 | October 2026 |
| Tam M. Nguyen | 60.8% | 1.83 | October 2026 |
| Prem C. Singh | 46.4% | 2.19 | September 2026 |
| Jonathan Miller | 82.4% | 1.39 | October 2026 |
| Krishnan S. Menon | 0.0% | 2.19 | October 2026 |
| Kyle Harrison Shipman | 0.0% | N/A | October 2026 |
| Tak L. Chiu | 0.0% | 1.75 | October 2026 |
| Patrick M Mccarty | 69.2% | 2.02 | October 2026 |
| Liliana Cerullo | 100.0% | 1.00 | October 2026 |
Examiner distribution
- Median grant ratio
- 55.8%
- Middle 50% of grant ratios
- 44.0%–67.1%
- Median office actions / grant
- 2.06
- Middle 50% of office actions / grant
- 1.77–2.23
Active examiners with at least 20 applications.
Other associated examiners
Examiners without recent activity.
| Nina Bhat | 85.8% | 1.23 | October 2022 Appears inactive |
|---|---|---|---|
| Virginia Manoharan | 70.1% | 1.78 | April 2015 Appears inactive |
| Thuan D. Dang | 80.8% | 1.52 | December 2025 Appears inactive |
| Bradley Etherton | 47.8% | 2.40 | April 2014 Appears inactive |
| In Suk Bullock | 0.0% | 1.00 | June 2010 Appears inactive |
Based on available public USPTO records; may be incomplete.