Art Unit 1778
Group 1770Chemical Apparatus, Separation, and Purification
- Active examiners
- 11
- Average office actions per grant
- 1.81
Grant ratio
- Art Unit 1778
- 69.9%
- Group 1770
- 63.1%
Active examiners
| Joseph W. Drodge | 81.8% | 1.66 | October 2026 |
|---|---|---|---|
| Fred Prince | 79.3% | 1.38 | October 2026 |
| Benjamin Kurtz | 60.6% | 2.42 | October 2026 |
| Claire A Norris | 64.3% | 2.25 | October 2026 |
| Richard C Gurtowski | 71.9% | 2.08 | October 2026 |
| Clare M Perrin | 66.0% | 2.18 | October 2026 |
| Madeline Gonzalez | 75.5% | 2.13 | October 2026 |
| Allison Fitzsimmons | 46.7% | 2.38 | October 2026 |
| Ekandra S. Miller-Cruz | 64.4% | 2.04 | October 2026 |
| Robert J. Popovics | 72.9% | 2.09 | October 2026 |
| Liliana Cerullo | 0.0% | 1.00 | October 2026 |
Examiner distribution
- Median grant ratio
- 68.9%
- Middle 50% of grant ratios
- 64.3%–74.8%
- Median office actions / grant
- 2.11
- Middle 50% of office actions / grant
- 2.05–2.23
Active examiners with at least 20 applications.
Other associated examiners
Examiners without recent activity.
| Christopher Upton | 78.5% | 1.14 | April 2023 Appears inactive |
|---|---|---|---|
| Mr. Terry K Cecil | 66.5% | 1.77 | June 2026 Potentially inactive |
| David A. Reifsnyder | 79.5% | 1.30 | June 2019 Appears inactive |
| Matthew O. Savage | 58.2% | 1.85 | September 2021 Appears inactive |
| Thomas M. Lithgow | 72.2% | 1.57 | July 2022 Appears inactive |
| Lucas Stelling | 51.9% | 2.09 | June 2021 Appears inactive |
| Julia Wun | 44.3% | 2.21 | November 2021 Appears inactive |
| Chester T Barry | 86.2% | 1.50 | June 2025 Appears inactive |
| Peter A. Hruskoci | 81.9% | 1.43 | November 2011 Appears inactive |
| Paul J. Durand | 70.0% | 1.54 | August 2013 Appears inactive |
| Denise R. Anderson | 38.2% | 3.53 | August 2021 Appears inactive |
| Cameron J. Allen | 57.1% | 1.66 | February 2025 Appears inactive |
| Nader Hossaini | 45.2% | 1.48 | February 2015 Appears inactive |
| Examiner name unavailable | 24.1% | 1.93 | June 2015 Appears inactive |
| Julia Wun | 13.3% | 1.25 | July 2023 Appears inactive |
| Thuy-Quynh Ngo | 50.0% | 1.00 | May 2023 Appears inactive |
Based on available public USPTO records; may be incomplete.