Prosecution Insights
Last updated: October 02, 2026

Examiner: DONDERO, WILLIAM E

Tech Center 3900 • Art Units: 3619 3654 3992 3993

This examiner grants 74% of resolved cases

Analysis

William E. Dondero is an examiner in Tech Center 3900 and Art Unit 3619. He has 794 resolved cases. The allowance rate is 73.6%. This 73.6% rate reflects the frequency of grants among the 794 cases. Practitioners can use this 73.6% figure to estimate the probability of a successful outcome for their applications.

The median days to allowance is 929. This 929-day period is the time from filing to the issuance of a patent. A median of 929 days serves as a timeline for applicants to consider when their cases are assigned to this examiner. The 929-day duration is a key metric for budgeting and project management during the prosecution process in Tech Center 3900.

The interview lift is 16.5%. This 16.5% lift shows an increase in the allowance rate when an interview is conducted. A 16.5% lift suggests that direct communication with the examiner is an effective tactic. Practitioners should use this 16.5% figure to justify scheduling an interview to resolve pending rejections and improve the 73.6% base allowance rate.

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

Performance Statistics

73.6%
Allow Rate
+13.6% vs TC avg
802
Total Applications
+16.5%
Interview Lift
929
Avg Prosecution Days
Based on 794 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
22.0%
§102 Novelty
40.8%
§103 Obviousness
25.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18744102 APPARATUS, SYSTEM, AND METHOD FOR CHARGING ARTIFICIAL-REALITY DISPLAYS Non-Final OA Meta Platforms Technologies, LLC
18926410 SELECTIVE LASER SOLIDIFICATION APPARATUS AND METHOD Non-Final OA RENISHAW PLC

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