Prosecution Insights
Last updated: August 18, 2026

Examiner: HAO, YI

Tech Center 4100 • Art Units: 2187 3761 4100

This examiner grants 36% of resolved cases

Performance Statistics

36.2%
Allow Rate
-23.8% vs TC avg
80
Total Applications
+45.4%
Interview Lift
1377
Avg Prosecution Days
Based on 47 resolved cases, 2023–2026

Rejection Statute Breakdown

31.7%
§101 Eligibility
4.4%
§102 Novelty
37.3%
§103 Obviousness
21.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17817697 DRILLING OPERATIONS FRICTION FRAMEWORK Non-Final OA Schlumberger Technology Corporation
17950375 LAYOUT CHECK SYSTEM USING FULL-CHIP LAYOUT AND LAYOUT CHECK METHOD USING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
17894704 SYSTEM AND METHOD OF DRILLING A WELLBORE USING WELLBORE AND SURFACE GRAVITY SENSING Final Rejection Halliburton Energy Services, Inc.
17544325 SYSTEM AND METHOD FOR AUTOMATED IDENTIFICATION OF MUD MOTOR DRILLING MODE Final Rejection Halliburton Energy Services, Inc.
17537230 SYSTEMS AND METHODS OF SIMULATING DRAG-INDUCED MULTISCALE PHENOMENA Non-Final OA TENCENT AMERICA LLC
17568269 SYSTEMS AND METHODS FOR REDUCING EMISSIONS WITH A FUEL CELL Final Rejection General Electric Company
17669902 MODELING A KARST FORMATION FOR A WELLBORE OPERATION Non-Final OA Petróleo Brasileiro S.A. - Petrobras
17862316 AUTOMATIC ATTACHMENT MATERIAL DETECTION AND REMOVAL Final Rejection Align Technology, Inc.
18546132 MACHINE LEARNING WORKFLOW TO PREDICT SANDING EVENTS Non-Final OA CHEVRON U.S.A. INC.
17925885 MODEL CONSTRUCTION APPARATUS, ESTIMATION APPARATUS, MODEL CONSTRUCTION METHOD, ESTIMATION METHOD AND PROGRAM Final Rejection Nippon Telegraph and Telephone Corporation
18278088 DESIGN SUPPORT DEVICE, METHOD, AND PROGRAM Non-Final OA Hitachi, Ltd.
17778499 ARCHITECTURAL MODEL DATA ASSISTANCE SYSTEM AND ARCHITECTURAL MODEL DATA ASSISTANCE METHOD Non-Final OA HITACHI, LTD.
17598474 INTERMEDIATE NETWORK NODE AND METHOD PERFORMED THEREIN FOR HANDLING DATA OF COMMUNICATION NETWORKS Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
17337456 MACHINE-LEARNING DEVICE, MACHINE-LEARNING METHOD, DATA GENERATION DEVICE, DATA GENERATION METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM FOR PROGRAM Final Rejection FUJITSU LIMITED
17730897 Performing A Deformation-Based Physics Simulation Non-Final OA TotalEnergies OneTech
17718185 GENERATING COLLABORATIVE DESIGNS FROM MULTIPLE CONTRIBUTORS Non-Final OA AUTODESK, INC.
17696340 MULTI-USER COLLABORATION SYSTEM FOR GENERATIVE DESIGNS Non-Final OA AUTODESK, INC.

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