Prosecution Insights
Last updated: October 02, 2026

Examiner: MCCALISTER, WILLIAM M

Tech Center 3700 • Art Units: 2853 3753 3763

This examiner grants 69% of resolved cases

Analysis

William M. McCalister has resolved 1043 cases in Art Unit 2853, achieving an allowance rate of 69.0%. The median days to allowance is 1067. This high volume of cases provides a strong baseline for Tech Center 3700. The interview lift is 19.6%, which significantly improves the 69.0% baseline. This 19.6% lift suggests that interviews are an effective tool for overcoming rejections and reaching an allowance.

The 1067-day median pendency is a key factor for applicants to consider. The 19.6% lift shows that the examiner is responsive to direct communication. With 1043 resolved cases, the 69.0% rate is a well-supported metric. The 1067-day median provides a realistic timeframe for applicants to reach a final resolution. In Art Unit 2853, the 69.0% allowance rate is a strong indicator of success.

In Tech Center 3700, the 1067-day median pendency is a key factor for planning. The 19.6% interview lift is a useful tool for resolving rejections. Applicants should use the 1067-day median to manage expectations for patent issuance. The 1043 cases on record ensure that these metrics are statistically representative of the examiner's performance.

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

Performance Statistics

69.0%
Allow Rate
-1.0% vs TC avg
1,069
Total Applications
+19.6%
Interview Lift
1067
Avg Prosecution Days
Based on 1043 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
21.2%
§102 Novelty
43.8%
§103 Obviousness
29.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18635770 OCCUPANCY SURVEILLANCE FOR PLUMBING FIXTURES Non-Final OA Kohler Co.
18877041 Fastening Part Non-Final OA A. RAYMOND ET CIE
18820936 SUBSTRATE PROCESSING APPARATUS, SUBSTRATE PROCESSING METHOD AND NON-TRANSITORY COMPUTER READABLE RECORDING MEDIUM STORING SUBSTRATE PROCESSING PROGRAM Non-Final OA SCREEN Holdings Co., Ltd.

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