Prosecution Insights
Last updated: October 02, 2026

Examiner: CHEIN, ALLEN C

Tech Center 3600 • Art Units: 3627 3687

This examiner grants 45% of resolved cases

Analysis

Allen C. Chein, an examiner in Tech Center 3600, has overseen 446 resolved cases with an allowance rate of 45.1%. This rate suggests a more challenging prosecution environment in Art Unit 3627, where fewer than half of the applications reach allowance. The median time to allowance is 1363 days, indicating a lengthy process for those who do succeed. Practitioners should prepare for a rigorous examination that may extend to 1363 days.

The interview lift of 40.0% is a critical metric for this examiner. When compared to the 45.1% base allowance rate, the 40.0% lift shows that interviews are highly effective at improving the chances of a grant. This suggests that direct communication can help overcome the obstacles that lead to the lower allowance rate. The 446 resolved cases provide a robust dataset, making the 40.0% lift a significant strategic consideration for any applicant.

In Art Unit 3627, the 45.1% allowance rate and 1363-day median pendency highlight the importance of a well-crafted strategy. The 40.0% interview lift offers a clear path to improving outcomes in Tech Center 3600. By analyzing the 446 resolved cases, practitioners can see that while the 45.1% allowance rate is low, the 40.0% lift provides a substantial opportunity for success.

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

Performance Statistics

45.1%
Allow Rate
-6.9% vs TC avg
479
Total Applications
+40.0%
Interview Lift
1363
Avg Prosecution Days
Based on 446 resolved cases, 2023–2026

Rejection Statute Breakdown

26.8%
§101 Eligibility
7.4%
§102 Novelty
49.0%
§103 Obviousness
15.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18579911 ESTIMATION DEVICE, INFORMATION PRESENTATION SYSTEM, ESTIMATION METHOD, AND RECORDING MEDIUM Non-Final OA NEC Corporation
18912243 GENERATING AN ONLINE STOREFRONT Final Rejection Block, Inc.
18422577 ITEM MANAGEMENT SYSTEM, ITEM MANAGEMENT METHOD, AND INFORMATION PROCESSING APPARATUS Final Rejection CANON KABUSHIKI KAISHA
18446241 AUTONOMOUS INVENTORY SYSTEM WITH INTELLIGENT CATALOGING METHOD Final Rejection SAUDI ARABIAN OIL COMPANY
18974394 POINT-OF-SALE SYSTEM AUTOMATED TESTING Non-Final OA Walmart Apollo, LLC
18391919 DECISION MODEL COMPRESSION FOR EFFICIENT PROCESSING AND STORAGE OF MULTI-CONDITION WORKFLOWS Final Rejection INTUIT INC.
18181376 RETAIL SPACE PLANNING THROUGH PATTERN RECOGNITION Final Rejection Tata Consultancy Services Limited
18944906 TECHNIQUES FOR PAYMENT TERM OPTIMIZATION Final Rejection SAP SE
18583070 System and Method to Predict Service Level Failure in Supply Chains Non-Final OA Blue Yonder Group, Inc.
18644429 CORRECTION OF FALSE ALARMS ASSOCIATED WITH FALSE DISTRESS ORDERS IN SUPPLY CHAIN SYSTEMS Non-Final OA Dell Products L.P.
19008903 SYSTEMS AND METHODS FOR ELECTRONIC DEVICE TRACKING AND STATUS ANALYSIS Final Rejection Insight Direct USA, Inc.
19008912 SYSTEMS AND METHODS FOR ELECTRONIC DEVICE TRACKING AND STATUS ANALYSIS Final Rejection Insight Direct USA, Inc.
18906996 AUGMENTED REALITY OF ITEM IDENTIFICATION DURING ASSISTED CHECKOUT Final Rejection RadiusAI, Inc.

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