Prosecution Insights
Last updated: October 02, 2026

Examiner: NGUYEN, LAM S

Tech Center 2800 • Art Units: 2115 2853

This examiner grants 79% of resolved cases

Analysis

Lam S. Nguyen is assigned to Tech Center 2800 and Art Unit 2115, where they have handled 1425 resolved cases. The examiner's allowance rate is 78.8 percent. The interview lift is 0.1 percent, suggesting that while interviews are not detrimental, they do not significantly change the statistical likelihood of obtaining an allowance. This indicates that the examiner's decisions are largely driven by the written record.

The median days to allowance is 983. This duration, combined with the 78.8 percent allowance rate, provides a baseline for expectations in Art Unit 2115. With 1425 cases resolved, these figures represent the prosecution behavior for this examiner. Practitioners should prepare for a timeline of 983 days. Since the interview lift is only 0.1 percent, the decision to interview should be based on the need for clarification. The 78.8 percent allowance rate is a foundation for applicants navigating the 983-day pendency. These 1425 resolved cases offer predictability for future filings in Tech Center 2800.

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

Performance Statistics

78.8%
Allow Rate
+10.8% vs TC avg
1,476
Total Applications
+0.2%
Interview Lift
983
Avg Prosecution Days
Based on 1426 resolved cases, 2023–2026

Rejection Statute Breakdown

3.2%
§101 Eligibility
33.4%
§102 Novelty
46.7%
§103 Obviousness
8.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18523311 ESTIMATION OF PHYSICAL PARAMETERS FROM MEASUREMENTS USING SYMBOLIC REGRESSION Non-Final OA Halliburton Energy Services, Inc.
18650185 SYSTEMS AND METHODS FOR DETERMINGING AN ELECTROCHEMICAL SERIES FOR IONS IN INORGANIC SOLID MATERIALS Non-Final OA Toyota Research Institute, Inc.
18340039 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAM Final Rejection FUJIFILM CORPORATION
18314189 BLADE DAMAGE EVALUATION SYSTEM, BLADE DAMAGE EVALUATION METHOD, AND BLADE DAMAGE EVALUATION PROGRAM Final Rejection TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
18308608 CALIBRATION DEVICE FOR CALIBRATING A DRIVER ASSISTANCE SYSTEM Non-Final OA Robert Bosch GmbH
17893324 METHOD FOR DETERMINING THE SERVICE LIFE OF A SWITCHING DEVICE Non-Final OA Robert Bosch GmbH
18297112 METHOD AND APPARATUS FOR AUTOENCODER-BASED ANOMALY DETECTION IN MEDICAL IMAGING SYSTEMS Non-Final OA Canon Kabushiki Kaisha
17900320 INFORMATION PROCESSING APPARATUS, METHOD OF DETERMINING WEARING STATE, AND STORAGE MEDIUM Final Rejection CASIO COMPUTER CO., LTD.
18476994 LITHIUM LOGGING TOOL FOR LITHIUM CONCENTRATION DETERMINATION IN RESERVOIR BRINES Non-Final OA SAUDI ARABIAN OIL COMPANY
18698962 TASK ALLOCATION APPARATUS AND TASK ALLOCATION METHOD Non-Final OA Mitsubishi Electric Corporation
18569381 PLANT MONITORING DEVICE, PLANT MONITORING METHOD, AND PLANT MONITORING PROGRAM Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
18579923 PRODUCTION MACHINE DIAGNOSING SYSTEM AND METHOD, BOX MAKING MACHINE, AND REMOTE MONITORING SYSTEM Non-Final OA MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD.
18030118 LUMINAIRE SYSTEM AND METHOD FOR DETERMINING WATER INGRESS INTO A LUMINAIRE Non-Final OA SIGNIFY HOLDING B.V.
18205925 SAMPLE TESTING METHOD AND SAMPLE ANALYZER Non-Final OA Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
18381310 SECONDARY BATTERY ACCELERATED IDLE LIFE EVALUATION DEVICE AND METHOD THEREOF Non-Final OA SAMSUNG SDI CO., LTD.
18702333 CONTROL SYSTEM, CONTROL METHOD, AND CONTROL PROGRAM Non-Final OA NTT, Inc.
18719451 PRESS FORMING ANALYSIS METHOD, PRESS FORMING ANALYSIS APPARATUS, AND PRESS FORMING ANALYSIS PROGRAM Non-Final OA JFE STEEL CORPORATION
18749317 Computer Implemented Method for Controlling a Winding Machine and for Training a Machine Learning Algorithm, Computer Program and Winding Machine Non-Final OA Siemens Aktiengesellschaft
18584356 FUEL CELL SYSTEM HYDROGEN TANK LEAK DETECTION Non-Final OA FORD GLOBAL TECHNOLOGIES, LLC
18158229 DEVICE AND METHOD FOR DETERMINING A CONCENTRATION OF A TARGET GAS IN A MOBILE APPLICATION Non-Final OA Infineon Technologies AG
17985092 LIGHT CRUDE OIL FLUID IDENTIFICATION WITHIN AN OBM DRILLING FLUID BASE/FILTRATE Non-Final OA Baker Hughes Oilfield Operations LLC
18618195 UWB ANCHOR, CALIBRATION SYSTEM AND METHOD, AND STORAGE MEDIUM Non-Final OA BYD COMPANY LIMITED
18293518 DYE IMAGE ACQUISITION METHOD, DYE IMAGE ACQUISITION DEVICE, AND DYE IMAGE ACQUISITION PROGRAM Non-Final OA HAMAMATSU PHOTONICS K.K.
18731370 ELECTRONIC DEVICE AND HOST DEVICE COUPLED TO MEMORY DEVICE Non-Final OA Silicon Motion, Inc.
18635423 AUTOMATED TEST SYSTEM AND METHOD THEREOF Non-Final OA Wistron NeWeb Corporation
18563639 CORRECTION DEVICE, ENERGY STORAGE APPARATUS, AND CORRECTION METHOD Final Rejection GS Yuasa International Ltd.
18267924 CONCRETE SURFACE MAPPING ROBOTS, SYSTEMS, AND METHODS FOR PROCESSING CONCRETE SURFACES Final Rejection HUSQVARNA AB
17555780 MACHINE LEARNING MODEL-BASED, OVERHEAD LINE BREAKAGE PREDICTION SYSTEM Final Rejection Kyndryl, Inc.
18578801 METHOD AND SYSTEM FOR PREDICTING PILE TIP RESISTANCE BASED ON DAMAGE CONSTITUTIVE MODEL OF MUDSTONE Non-Final OA Qingdao University of Technology
18561388 DEVICE FOR ESTIMATING ACTIVE CLAY CONTENT, DEVICE FOR GENERATING LEARNED MODEL, METHOD FOR ESTIMATING ACTIVE CLAY CONTENT, AND METHOD FOR GENERATING LEARNED MODEL Non-Final OA SINTOKOGIO, LTD.

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