Prosecution Insights
Last updated: October 02, 2026

Examiner: TURK, NEIL N

Tech Center 1700 • Art Units: 1638 1773 1797 1798

This examiner grants 51% of resolved cases

Analysis

Neil N Turk has resolved 767 cases in Art Unit 1638. The allowance rate is 51.0 percent. The interview lift is 44.3 percent, which is a high lift value. This 44.3 percent lift suggests that interviews are highly recommended and can significantly increase the probability of success. Practitioners should view the 51.0 percent allowance rate as a baseline that can be improved in Tech Center 1700.

The median days to allowance is 1380. The 1380-day median provides a realistic expectation for the time required to reach a positive outcome. With 767 resolved cases, the examiner's history shows a clear and substantial benefit from verbal dialogue. The 51.0 percent allowance rate indicates a balanced prosecution environment, but the 44.3 percent lift is the most important factor for practitioners to consider. Strategy should prioritize early and direct communication to capitalize on this advantage. Overall, the metrics point to interviews as a vital tool.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

51.0%
Allow Rate
-14.0% vs TC avg
803
Total Applications
+44.3%
Interview Lift
1380
Avg Prosecution Days
Based on 767 resolved cases, 2023–2026

Rejection Statute Breakdown

3.4%
§101 Eligibility
17.4%
§102 Novelty
34.2%
§103 Obviousness
39.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18263063 CULTURE DEVICE AND USE THEREOF Non-Final OA KANEKA CORPORATION
18026692 CHEMICAL PRODUCTION CONTROL Final Rejection BASF SE
18026690 CHEMICAL PRODUCTION CONTROL Non-Final OA BASF SE
18026686 CHEMICAL PRODUCTION MONITORING Non-Final OA BASF SE
17953981 NON-FIBRILLAR HEMOGLOBIN S OLIGOMERS AND METHODS TO IDENTIFY MODULATORS OF HEMOGLOBIN S POLYMERIZATION Final Rejection REGENTS OF THE UNIVERSITY OF MINNESOTA
18578369 AUTOMATIC ANALYZER AND GUIDANCE METHOD IN AUTOMATIC ANALYZER Non-Final OA ROCHE DIAGNOSTICS OPERATIONS, INC.
18614955 SPECIMEN MEASUREMENT APPARATUS AND MAINTENANCE METHOD Non-Final OA SYSMEX CORPORATION
18215947 Cell Culture System Non-Final OA Terumo BCT, Inc.
18396697 Low Mass Antigen Detecting Device Non-Final OA Korea electronics Technology Institute
18427503 Methods, Systems, and Device for Electrowetting Bar-Coded Magnetic Beads Non-Final OA IDEXX Laboratories, Inc.

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