Art Unit 1658
Group 1650Enzymology, Microbiology, and Fermentation
- Active examiners
- 19
- Average office actions per grant
- 1.99
Grant ratio
- Art Unit 1658
- 47.7%
- Group 1650
- 54.1%
Active examiners
| Sudhakar Katakam | 60.0% | 1.64 | August 2026 |
|---|---|---|---|
| Amber D Steele | 51.1% | 1.82 | August 2026 |
| Sergio Coffa | 47.4% | 2.44 | August 2026 |
| Fred Reynolds | 19.3% | 2.20 | August 2026 |
| Li N Komatsu | 38.2% | 1.85 | August 2026 |
| Ronald T Niebauer | 41.6% | 2.26 | August 2026 |
| Jia-Hai Lee | 27.6% | 2.37 | August 2026 |
| Lianko G Garyu | 73.2% | 2.09 | June 2026 |
| Zachary J Miknis | 63.0% | 1.98 | August 2026 |
| Catherine S Hibbert | 52.6% | 2.36 | August 2026 |
| Joseph Fischer | 28.9% | 2.21 | August 2026 |
| Kevin S. Orwig | 32.2% | 3.24 | August 2026 |
| Sara E Konopelski Snavely | 3.2% | 3.00 | August 2026 |
| Archana Varadaraj | 0.0% | N/A | August 2026 |
| Maury Audet | 34.3% | 2.40 | August 2026 |
| Koyeli Banerjee | 0.0% | N/A | August 2026 |
| Brendan P Oliss | 0.0% | N/A | June 2026 |
| Larry D. Riggs Ii | 0.0% | 2.56 | June 2026 |
| Liliana Cerullo | 0.0% | 1.00 | July 2026 |
Examiner distribution
- Median grant ratio
- 34.3%
- Middle 50% of grant ratios
- 19.3%–51.1%
- Median office actions / grant
- 2.23
- Middle 50% of office actions / grant
- 2.01–2.39
Active examiners with at least 20 applications.
Other associated examiners
Examiners without recent activity.
| Marcela M. Cordero Garcia | 84.1% | 1.56 | December 2024 Appears inactive |
|---|---|---|---|
| Satyanarayana R. Gudibande | 72.9% | 1.60 | June 2021 Appears inactive |
| John Michael Cronin | 43.6% | 1.82 | February 2025 Appears inactive |
| Khalid Kader | 48.2% | 2.46 | December 2019 Appears inactive |
| David Lukton | 78.8% | 2.09 | April 2017 Appears inactive |
| Catherine Mader | 42.9% | 1.90 | March 2017 Appears inactive |
| Mindy Newman | 60.0% | 1.68 | January 2016 Appears inactive |
| Melissa Javier | 22.2% | 2.97 | April 2026 Potentially inactive |
| Karlheinz R. Skowronek | 50.0% | 2.33 | October 2025 Appears inactive |
| Schuyler Milton | 33.3% | 2.18 | September 2016 Appears inactive |
Based on available public USPTO records; may be incomplete.