Prosecution Insights
Last updated: October 02, 2026

Examiner: MCCALL, ERIC SCOTT

Tech Center 2800 • Art Units: 1743 2855 2856 2878

This examiner grants 88% of resolved cases

Analysis

Eric Scott Mccall is an examiner in Tech Center 2800 and Art Unit 1743. He has 944 resolved cases and an allowance rate of 87.8 percent. This high rate indicates a very favorable environment for applicants, with a strong probability of success. The median days to allowance is 861, which is a standard and relatively efficient timeframe for prosecution in this tech center.

The interview lift is 6.3 percent. This suggests that while the examiner is generally likely to allow cases, an interview can provide a modest increase in the probability of success compared to the 87.8 percent baseline. For practitioners, the 6.3 percent lift indicates that direct communication is a helpful tactic for resolving minor issues. The 861 days to allowance, combined with the high baseline rate, suggests that applicants can expect a straightforward path to issuance with this examiner.

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

Performance Statistics

87.8%
Allow Rate
+19.8% vs TC avg
956
Total Applications
+6.3%
Interview Lift
861
Avg Prosecution Days
Based on 944 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
30.0%
§102 Novelty
32.1%
§103 Obviousness
31.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18952451 TUBING EXPANSION TOOLS AND SYSTEMS AND METHODS FOR LEAK DETECTION Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18784719 MICROELECTROMECHANICAL DEVICE WITH RECOVERY FROM STICTION CONDITIONS Non-Final OA STMicroelectronics International N.V.
18579871 TIRE STATE DETERMINATION SYSTEM, TIRE STATE DETERMINATION APPARATUS, TIRE STATE DETERMINATION METHOD, AND PROGRAM Final Rejection Sumitomo Rubber Industries, Ltd.

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