Prosecution Insights
Last updated: October 02, 2026

Examiner: MACKEY, PATRICK HEWEY

Tech Center 3700 • Art Units: 3651 3653 3657 3659 3661 3725

This examiner grants 84% of resolved cases

Analysis

Patrick Hewey Mackey is an examiner in Tech Center 3700 and Art Unit 3651. The data shows 931 resolved cases for this examiner. Among these 931 resolved cases, the allowance rate is 83.6 percent. This 83.6 percent rate indicates a favorable environment for applicants seeking a patent grant. The median days to allowance for this examiner is 792, which serves as a benchmark for the duration of prosecution in Art Unit 3651.

The interview lift is 12.4 percent. This 12.4 percent lift indicates that cases involving an interview have a higher likelihood of allowance than those that do not. For practitioners, this positive lift suggests that engaging with the examiner in Tech Center 3700 can be an effective strategy. The 792 median days to allowance is an important factor for applicants to consider when planning their strategy.

With 931 resolved cases, the examiner's metrics provide a stable outlook for future applications. The 83.6 percent allowance rate and the 12.4 percent interview lift are essential for assessing the risks and opportunities of prosecution. Practitioners can use the 792-day median to set realistic expectations for their clients. These figures offer a detailed perspective on the examiner's work in Art Unit 3651.

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

Performance Statistics

83.6%
Allow Rate
+13.6% vs TC avg
954
Total Applications
+12.4%
Interview Lift
792
Avg Prosecution Days
Based on 931 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
39.8%
§102 Novelty
27.7%
§103 Obviousness
25.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18888605 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, SYSTEM AND COMPUTER-READABLE STORAGE MEDIUM Non-Final OA KABUSHIKI KAISHA TOSHIBA
18796112 LOGISTIC SYSTEM AND A METHOD THEREOF Non-Final OA Hand Held Products, Inc.
18726851 SENSOR SYSTEM AND METHOD FOR MONITORING A STORAGE SPACE Non-Final OA SIGNIFY HOLDING B.V.
18213355 CONTROL OF CONVEYOR LINE INSTALLATIONS FOR ITEMS OF GENERAL CARGO Non-Final OA Siemens Aktiengesellschaft
18692153 INCREASING FLOTATION RECOVERY AND THROUGHPUT Non-Final OA VIRGINIA TECH INTELLECTUAL PROPERTIES, INC.
18983886 SYSTEM AND METHOD OF ORDER FULFILMENT Non-Final OA Ocado Innovation Limited
18713098 DETERMINING AN EXCLUSION ZONE IN A WORKSPACE OF TRANSPORT DEVICES Final Rejection Ocado Innovation Limited
18574555 AN ACCESS STATION FOR AN AUTOMATED STORAGE AND RETRIEVAL SYSTEM Non-Final OA Autostore Technology AS
18610535 Perception-Based Robotic Manipulation System and Method for Robotic Truck Unloader that Unloads/Unpacks Product from Trailers and Containers Non-Final OA Daifuku Co., Ltd.
18946622 METHOD AND APPARATUS FOR SEPARATING AGGREGATE FOR A CONCRETE TOPPING SLAB Non-Final OA Shaw & Sons, Inc.
18719734 MINERAL FLOTATION SEPARATION Non-Final OA Cytec Industries Inc.
18206234 Robot Having Interchangeable Batteries Non-Final OA Nimble Robotics, Inc.

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