Art Unit 1631
Group 1630Stem Cells and Nucleic Acid Related Therapy
- Active examiners
- 37
- Average office actions per grant
- 2.48
Grant ratio
- Art Unit 1631
- 42.7%
- Group 1630
- 51.5%
Active examiners
| Russell Negin | 52.4% | 2.46 | October 2026 |
|---|---|---|---|
| Jerry Lin | 67.9% | 1.86 | October 2026 |
| Lori A. Clow | 59.3% | 2.64 | October 2026 |
| Anna Skibinsky | 30.5% | 2.73 | October 2026 |
| Larry D. Riggs Ii | 48.9% | 2.56 | September 2026 |
| G Steven Vanni | 62.6% | 2.70 | October 2026 |
| Mary K Zeman | 58.5% | 2.21 | October 2026 |
| Pablo Whaley | 20.9% | 3.60 | October 2026 |
| Jason Sims | 41.1% | 2.61 | September 2026 |
| Joseph T Woitach | 46.9% | 2.89 | October 2026 |
| Taeyoon Kim | 26.6% | 2.73 | October 2026 |
| Olivia M. Wise | 39.8% | 3.09 | October 2026 |
| Quang Nguyen, Ph.D | 25.5% | 2.80 | October 2026 |
| Laura J Schuberg | 9.1% | 3.75 | October 2026 |
| Arthur S Leonard | 23.7% | 2.60 | October 2026 |
| James J Graber | 28.0% | 2.15 | October 2026 |
| Jianjian Zhu | 26.2% | 2.09 | October 2026 |
| Joseph Paul Miano | 19.8% | 3.66 | October 2026 |
| Maria Marvich | 76.1% | 2.93 | October 2026 |
| Keenan A Bates | 13.2% | 1.55 | October 2026 |
| Josephine Gonzales | 13.1% | 1.67 | October 2026 |
| Nicholas A. Humphries | 5.7% | 1.60 | October 2026 |
| Robert M Kelly | 77.3% | 1.97 | October 2026 |
| Teresa E Knight | 81.8% | 2.45 | October 2026 |
| Kevin K. Hill | 21.4% | 2.40 | July 2026 |
| Kaitlyn L Minchella | 23.2% | 3.64 | October 2026 |
| Andrea Lynne Morris Spencer | 0.0% | N/A | October 2026 |
| Erin V Paulus | 0.0% | N/A | October 2026 |
| Jesse P Frumkin | 84.4% | 3.10 | October 2026 |
| Masudur Rahman | 58.0% | 2.09 | October 2026 |
| Eric J Rogers | 63.2% | 1.85 | October 2026 |
| Alexandra Connors | 22.2% | 3.14 | October 2026 |
| James D. (Doug) Schultz, Phd | 94.1% | 2.18 | September 2026 |
| Guozhen Liu | 53.8% | 2.50 | October 2026 |
| Janna Nicole Schultzhaus | 27.3% | 3.28 | October 2026 |
| Liliana Cerullo | 0.0% | 1.00 | October 2026 |
| Meredith Abbott Vassell | 0.0% | 3.71 | October 2026 |
Examiner distribution
- Median grant ratio
- 29.2%
- Middle 50% of grant ratios
- 21.1%–58.3%
- Median office actions / grant
- 2.60
- Middle 50% of office actions / grant
- 2.14–2.90
Active examiners with at least 20 applications.
Other associated examiners
Examiners without recent activity.
| Eric S. Dejong | 50.5% | 2.29 | May 2022 Appears inactive |
|---|---|---|---|
| Michael Borin | 34.2% | 2.33 | December 2022 Appears inactive |
| John S. Brusca | 57.9% | 2.29 | August 2024 Appears inactive |
| Soren Harward | 22.1% | 3.32 | November 2024 Appears inactive |
| Shubo (Joe) Zhou | 54.1% | 2.27 | June 2025 Appears inactive |
| Carolyn Smith | 38.9% | 2.10 | July 2012 Appears inactive |
| Karlheinz R. Skowronek | 21.6% | 2.33 | October 2025 Appears inactive |
| Marie Archer | 34.1% | 3.10 | January 2023 Appears inactive |
| Mark L Shibuya | 20.6% | 1.79 | July 2026 Potentially inactive |
| Carolyn Smith | 13.0% | 2.00 | March 2015 Appears inactive |
| Gilbert Saint Jean | 50.0% | 1.00 | February 2025 Appears inactive |
| Hannah Philipose | 0.0% | N/A | June 2026 Potentially inactive |
| Jose H Trevino Iii | 0.0% | 1.56 | February 2026 Appears inactive |
| Michael Thomas Grispo | 100.0% | 2.00 | February 2022 Appears inactive |
Based on available public USPTO records; may be incomplete.