Art Unit 1643
Group 1640Immunology
- Active examiners
- 25
- Average office actions per grant
- 2.11
Grant ratio
- Art Unit 1643
- 51.9%
- Group 1640
- 55.8%
Active examiners
| Lynn Bristol | 57.2% | 2.48 | October 2026 |
|---|---|---|---|
| Karen Canella | 57.5% | 2.48 | October 2026 |
| Hong Sang | 53.4% | 2.20 | October 2026 |
| Alana Harris Dent | 38.9% | 2.55 | October 2026 |
| Meera Natarajan | 56.3% | 1.84 | October 2026 |
| Brad Duffy | 47.8% | 2.15 | October 2026 |
| Anne M. Gussow | 68.6% | 2.03 | July 2026 |
| John L Van Druff | 35.1% | 1.53 | October 2026 |
| John J Skoko Iii | 26.9% | 1.79 | October 2026 |
| Francesca Edgington-Giordano | 39.1% | 2.06 | October 2026 |
| Elizabeth A Shupe | 24.2% | 1.42 | October 2026 |
| Amber K Faust | 20.3% | 1.31 | October 2026 |
| Cheom-Gil Cheong | 70.3% | 1.96 | October 2026 |
| Amy M Chattin | 0.0% | 1.00 | October 2026 |
| Nita M Minnifield | 0.0% | 2.05 | October 2026 |
| Jieun Ham | 0.0% | N/A | October 2026 |
| Carol Ann Chase | 38.7% | 1.52 | October 2026 |
| Angela Brown-Pettigrew | 66.7% | 2.17 | September 2026 |
| Julie Wu | 14.8% | 2.35 | October 2026 |
| Malia Nicole Green | 0.0% | N/A | October 2026 |
| Kathleen Cunningchen | 33.3% | 2.29 | October 2026 |
| Liliana Cerullo | 0.0% | 1.00 | October 2026 |
| Dennis George | 0.0% | 2.00 | October 2026 |
| Phuong Huynh, Ph.D | 0.0% | 2.05 | October 2026 |
| Sarah A Alsomairy | 0.0% | 1.94 | October 2026 |
Examiner distribution
- Median grant ratio
- 38.9%
- Middle 50% of grant ratios
- 22.3%–56.8%
- Median office actions / grant
- 2.04
- Middle 50% of office actions / grant
- 1.59–2.19
Active examiners with at least 20 applications.
Other associated examiners
Examiners without recent activity.
| Sheela J. Huff | 69.7% | 1.70 | May 2025 Appears inactive |
|---|---|---|---|
| Stephen Rawlings | 48.5% | 2.12 | March 2025 Appears inactive |
| Jessica H Roark | 57.5% | 1.93 | February 2025 Appears inactive |
| Anne Holleran | 45.8% | 2.16 | August 2017 Appears inactive |
| David J. Blanchard | 46.5% | 1.93 | May 2026 Potentially inactive |
| Christopher H. Yaen | 66.7% | 1.23 | November 2009 Appears inactive |
| Sung Min Yoon | 58.1% | 1.84 | April 2023 Appears inactive |
| Bryan William Heck | 20.3% | 1.25 | April 2026 Appears inactive |
| Sonia Jessica Laurie | 33.3% | 1.00 | January 2025 Appears inactive |
| Christopher H. Yaen | 20.0% | 2.00 | January 2010 Appears inactive |
| Janel O Johnson | 0.0% | N/A | October 2023 Appears inactive |
Based on available public USPTO records; may be incomplete.