Prosecution Insights
Last updated: October 02, 2026

Examiner: DONAHUE, ZACHARY RYAN

Tech Center 3600 • Art Units: 3684 3688 3689

This examiner grants 2% of resolved cases

Analysis

Zachary Ryan Donahue is an examiner in Tech Center 3600 and Art Unit 3684. He has 58 resolved cases. The allowance rate is 1.7%. This 1.7% rate indicates the frequency of successful outcomes among the 58 cases. Practitioners can use this 1.7% figure to gauge the probability of an allowance when their application is assigned to this examiner.

The median days to allowance is 1111. This 1111-day period represents the time from filing to the grant of a patent. A median of 1111 days provides a benchmark for the expected duration of the prosecution process in Art Unit 3684. Applicants should plan their strategy around this 1111-day timeline.

The interview lift is 4.7%. This 4.7% lift shows that the allowance rate increases when an interview is conducted. A lift of 4.7% suggests that verbal communication with the examiner is a productive step. Practitioners should consider the 4.7% figure when deciding whether to schedule an interview, even though the 1.7% base chance of success remains low.

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

Performance Statistics

1.7%
Allow Rate
-50.3% vs TC avg
90
Total Applications
+4.7%
Interview Lift
1115
Avg Prosecution Days
Based on 59 resolved cases, 2023–2026

Rejection Statute Breakdown

40.8%
§101 Eligibility
7.3%
§102 Novelty
45.3%
§103 Obviousness
5.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18845687 METHOD AND COMPUTING DEVICE Final Rejection NICOVENTURES TRADING LIMITED
18265887 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM Final Rejection NEC CORPORATION
18026403 CENTER APPARATUS, STORE APPARATUS, AND PROCESSING METHOD FOR CENTER APPARATUS Final Rejection NEC Corporation
18178571 INFORMATION PROCESSING APPARATUS, NON-TRANSITORY COMPUTER READABLE MEDIUM, AND INFORMATION PROCESSING METHOD Non-Final OA FUJIFILM Business Innovation Corp.
19277798 SYSTEMS AND METHODS FOR PRODUCT RETRIEVAL Non-Final OA Walmart Apollo, LLC
18103229 SYSTEMS AND METHODS FOR ANALYZING AND DISPLAYING ITEM RECOMMENDATIONS Non-Final OA Walmart Apollo, LLC
18860810 METHOD AND APPARATUS FOR PRESENTING INFORMATION, COMPUTER DEVICE, AND STORAGE MEDIUM Final Rejection Beijing Zitiao Network Technology Co., Ltd.
18464750 System and Method for Supporting Multiple Public Cloud Marketplace Listings with a Single Software Image Final Rejection Dell Products L.P.

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