Prosecution Insights
Last updated: October 02, 2026

Examiner: TAN, ALVIN H

Tech Center 2100 • Art Units: 2118 2141 2144 2172 2173 2178

This examiner grants 57% of resolved cases

Analysis

Alvin H. Tan has resolved 544 cases in Art Unit 2118. The allowance rate is 57.0 percent, indicating a moderate level of difficulty for applicants. The median days to allowance is 1607, which is a notably long duration for prosecution. This 1607-day figure is a central benchmark in Tech Center 2100.

The interview lift of 19.0 percent suggests that direct communication can be beneficial. This 19.0 percent lift provides a way to improve the odds of success beyond the 57.0 percent baseline. Practitioners should be prepared for a long timeline given the 1607-day median. With 544 cases resolved, the data provides a reliable foundation for strategy. The 19.0 percent lift is a key tool for overcoming prosecution hurdles. Direct engagement is a recommended approach.

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

Performance Statistics

57.0%
Allow Rate
+2.0% vs TC avg
580
Total Applications
+19.0%
Interview Lift
1607
Avg Prosecution Days
Based on 544 resolved cases, 2023–2026

Rejection Statute Breakdown

8.3%
§101 Eligibility
20.7%
§102 Novelty
55.5%
§103 Obviousness
10.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17663406 USER INTERFACES AND ASSOCIATED SYSTEMS AND PROCESSES FOR SHARED PLAYBACK OF CONTENT ITEMS Final Rejection Apple Inc.
18555580 Control of Papermaking Processes with Respect to Square Point Conditions Final Rejection ABB Schweiz AG
18621758 TRANSFORMER FOR MANUFACTURING DATA Non-Final OA Robert Bosch GmbH
18243964 Method and apparatus for treating containers with identification of rejected containers Non-Final OA KRONES AG
18036172 INPUT/OUTPUT MODULE AND CONTROL SYSTEM Final Rejection Mitsubishi Electric Corporation
18204706 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM FOR CHANGING LAYOUT OF DISPLAYED OBJECTS Final Rejection SONY CORPORATION
18194363 CLIENT SIDE BROWSER-BASED CACHING FOR MONITORED RESOURCES Non-Final OA Microsoft Technology Licensing, LLC
18610805 AUTOMATICALLY POSITIONING INSIGHTS IN SPATIAL LOCATIONS OF A GRAPHICAL USER INTERFACE PAGE BASED ON RULES Final Rejection Truist Bank
18564212 Methods for Additive Manufacturing of a Component Final Rejection Siemens Aktiengesellschaft
18520665 PROGRAM CONTROL METHOD AND APPARATUS, ELECTRONIC DEVICE, AND NON-TRANSITORY READABLE STORAGE MEDIUM Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.
18388183 DOCUMENT TEMPLATE RECOMMENDATION SYSTEM FOR COLLABORATIVE DOCUMENT MANAGEMENT SYSTEM Final Rejection Atlassian US, Inc.
18191710 DIGITAL SIMULATION FOR SEMICONDUCTOR MANUFACTURING PROCESSES Non-Final OA Applied Materials, Inc.
18911164 METHODS, APPARATUSES AND COMPUTER PROGRAM PRODUCTS FOR MENTAL MODEL AWARE EXPLAINABLE ARTIFICIAL INTELLIGENCE FOR INTELLIGENT USER INTERFACES Non-Final OA META PLATFORMS, INC.
18277556 SYSTEMS AND METHODS FOR MONITORING ELECTRICAL COMPONENTS OF A CHILLER SYSTEM Non-Final OA Johnson Controls Tyco IP Holdings LLP
17623829 SUB-FIELD CONTROL OF A LITHOGRAPHIC PROCESS AND ASSOCIATED APPARATUS Non-Final OA ASML NETHERLANDS B.V.
18809888 GARDEN WATERING FLOW METERS Non-Final OA EXEL Industries
18300058 METHOD FOR CONTROLLING A DOOR SYSTEM Non-Final OA dormakaba Deutschland GmbH
18010523 TECHNOLOGY FOR PROCESSING AND EXCHANGING FIELD SIGNALS Final Rejection Phoenix Contact GmbH & Co. KG
18243564 SYSTEM FOR PROCESS ABNORMALITY RECOGNITION AND CORROBORATION Non-Final OA TRIAD National Security, LLC.
18454330 SYSTEM AND METHOD FOR OCCUPANCY DETECTION IN SPLIT THERMOSTAT Non-Final OA Copeland Comfort Control LP
18560551 Method for Producing Film from a Total Quantity of Raw Materials Using a Film Extrusion Machine, and Computer Program Product for Carrying Out the Method Non-Final OA Windmöller & Hölscher KG

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