Prosecution Insights
Last updated: October 01, 2026

Examiner: EMCH, GREGORY S

Tech Center 1600 • Art Units: 1600 1644 1646 1649 1674 1678 1699

This examiner grants 48% of resolved cases

Analysis

Gregory S. Emch has a substantial history in Tech Center 1600, with 631 resolved cases. His allowance rate is 48.5 percent, meaning a minority of his resolved cases result in a patent grant. For those that are successful, the median time to allowance is 1314 days. This 1314 days duration indicates that prosecution in Art Unit 1600 under this examiner can be a lengthy process.

The most significant data point for this examiner is the interview lift of 43.6 percent. This high percentage suggests that interviews are exceptionally effective at moving cases toward allowance. Practitioners facing a rejection should prioritize an interview, as it correlates with a 43.6 percent improvement in the probability of a grant. Given the 631 resolved cases, this lift is a well-documented trend. The 48.5 percent allowance rate serves as a challenging baseline that can be mitigated through direct engagement with the examiner. The 1314 days median pendency is a key benchmark for planning.

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

Performance Statistics

48.5%
Allow Rate
-11.5% vs TC avg
640
Total Applications
+43.6%
Interview Lift
1314
Avg Prosecution Days
Based on 631 resolved cases, 2023–2026

Rejection Statute Breakdown

7.0%
§101 Eligibility
17.1%
§102 Novelty
32.1%
§103 Obviousness
24.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18542382 METHOD FOR TESTING AND SCREENING P38 MAP KINASE MODIFIERS Non-Final OA THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
18118432 DIAGNOSTIC METHODS FOR LIVER DISORDERS Final Rejection Meso Scale Technologies, LLC.
17779900 METHODS AND KITS FOR DETECTING AUTOIMMUNE DISEASES Non-Final OA MESO SCALE TECHNOLOGIES, LLC.

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