Prosecution Insights
Last updated: April 19, 2026

Examiner: BAREFORD, KATHERINE A

Tech Center 1700 • Art Units: 1715 1718 1792

This examiner grants 13% of resolved cases

Performance Statistics

13.3%
Allow Rate
-51.7% vs TC avg
1002
Total Applications
+28.3%
Interview Lift
1791
Avg Prosecution Days
Based on 925 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
9.6%
§102 Novelty
43.6%
§103 Obviousness
35.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17994181 SUBSTRATE PROCESSING METHOD Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18233144 CERAMIC MATRIX COMPOSITE COMPONENT WITH MODIFIED THERMAL EXPANSION AND METHOD FOR PRODUCING THE SAME Final Rejection RTX Corporation
18010663 SEPARATOR MANUFACTURING APPARATUS AND SEPARATOR MANUFACTURING METHOD Non-Final OA LG ENERGY SOLUTION, LTD.
18848658 HEAT TREATMENT OF NANODIAMOND PARTICLES WITH CONTROLLED POWDER LAYER DEPTH Final Rejection SCHLUMBERGER TECHNOLOGY CORPORATION
18277797 METHOD OF MANUFACTURING BONDED BODY OF DIFFERENT MATERIALS, AND BONDED BODY OF DIFFERENT MATERIALS Final Rejection Mitsubishi Electric Corporation
18428164 WHEELS HAVING A BI-LAYERED COATING AND METHODS FOR MAKING THE SAME Non-Final OA Garrett Transportation I Inc.
18523369 METHOD AND APPARATUS FOR COATING A SUBSTRATE Non-Final OA Ford Global Technologies, LLC
18773855 SYSTEMS HAVING POLYMERIC FIBERS WITH METALLIC NANOPARTICLES THEREON AND METHODS OF FABRICATION Non-Final OA Purdue Research Foundation
18885956 MANUFACTURING METHOD OF QUARTZ MEMBER, METHOD FOR FORMING SILICA COATING, AND METHOD FOR SMOOTHING SURFACE OF QUARTZ MEMBER Final Rejection Mitsubishi Chemical Corporation
17945185 SMC Manufacturing Method Non-Final OA Mitsubishi Chemical Corporation
18253510 METHOD AND DEVICE FOR MANUFACTURING A DUAL-MATERIAL TURBINE ENGINE DISC AND DISC PRODUCED USING SAID METHOD Non-Final OA SAFRAN AIRCRAFT ENGINES
18550252 METHOD FOR PRODUCING WIRING CIRCUIT BOARD Non-Final OA NITTO DENKO CORPORATION
18554836 SUBSTRATE PROCESSING METHOD, SUBSTRATE PROCESSING APPARATUS, AND RECORDING MEDIUM Final Rejection Tokyo Electron Limited
18261157 PLATING METHOD AND PLATING APPARATUS Non-Final OA Tokyo Electron Limited
17753264 SUBSTRATE LIQUID PROCESSING METHOD, SUBSTRATE LIQUID PROCESSING APPARATUS, AND COMPUTER-READABLE RECORDING MEDIUM Final Rejection Tokyo Electron Limited
17596385 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
17037142 Systems and Methods for Spin Process Video Analysis During Substrate Processing Non-Final OA Tokyo Electron Limited
17455809 STAIN-PROOF BASE MATERIAL Non-Final OA DAIKIN INDUSTRIES, LTD.
18031503 METHOD FOR APPLYING THERMAL BARRIER COATING AND HEAT-RESISTANT MEMBER Final Rejection MITSUBISHI HEAVY INDUSTRIES AERO ENGINES, LTD.
17103535 COLD SPRAY REINFORCED IMPELLER SHROUD Final Rejection Nuovo Pignone Tecnologie - S.R.L.
18037459 ANTIFOGGING AGENT, HYDROPHILIZING AGENT, AND ANTIFOGGING METHOD FOR VEHICULAR LAMP STRUCTURE Final Rejection Resonac Corporation
18280390 REGENERATING METHOD FOR INNER MEMBER OF PLASMA PROCESSING APPARATUS Non-Final OA Hitachi High-Tech Corporation
18292631 WIRE AND METHOD FOR MANUFACTURING WIRE Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
18988150 METHOD OF SEALING A SURFACE AND DEVICE THEREFOR Non-Final OA RAWWATER APPLIED TECHNOLOGY LIMITED
18689221 Method of Repairing a Defect and Device Final Rejection Rawwater Applied Technology Limited
18956304 METHOD FOR PRODUCING LAMINATE Non-Final OA NIKON-ESSILOR CO., LTD.
18526255 POLYBENZIMIDAZOLE-BASED SEPARATOR FOR SECONDARY BATTERY, AND METHOD OF PREPARING FABRICATING SAME AND SECONDARY BATTERY COMPRISING THE SAME Non-Final OA STANDARD ENERGY INC.
18615007 COMPOSITIONS AND METHODS OF TREATING METAL SURFACES IN SURFACE PREPARATION PROCESSES Non-Final OA CHEMTREAT, INC.
18903110 Method of Fabricating Cathode Film Layer of Lithium Ion Battery by Plasma Spraying Final Rejection Institute of Nuclear Energy Research, Atomic Energy Council, Executive Yuan, R.O.C.
18633076 POST DEPOSITION HEAT TREATMENT OF COATING ON SUBSTRATE Final Rejection Rolls-Royce Corporation

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