Prosecution Insights
Last updated: October 02, 2026

Examiner: SU, XIAOWEI

Tech Center 1700 • Art Units: 1733 1744 1784

This examiner grants 72% of resolved cases

Analysis

Xiaowei Su is an examiner in Tech Center 1700 and Art Unit 1733. She has a large caseload of 775 resolved cases. Her allowance rate of 71.7 percent is high, indicating a favorable environment for patent applicants. This 71.7 percent rate suggests that she is often able to find allowable subject matter and is receptive to well-reasoned arguments. For practitioners, this is a positive docket that offers a high probability of success.

The interview lift for Su is 12.8 percent. While this is a positive figure, the high baseline allowance rate suggests that many cases reach allowance through written prosecution alone. However, the 12.8 percent lift still shows that an interview can be a useful tool for resolving complex issues or speeding up the process. Practitioners should consider an interview if written responses do not immediately lead to an allowance.

The median days to allowance for Su is 1201. This timeline represents a pendency of an expected period. The combination of the 71.7 percent allowance rate and the 1201-day median pendency suggests a predictable and relatively efficient environment for patent prosecution. Applicants can expect a reasonable pace of examination and a high likelihood of a positive outcome in her docket.

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

Performance Statistics

71.7%
Allow Rate
+6.7% vs TC avg
833
Total Applications
+12.8%
Interview Lift
1201
Avg Prosecution Days
Based on 775 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
11.3%
§102 Novelty
48.6%
§103 Obviousness
24.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18645540 Method For Manufacturing Three-Dimensional Shaped Object Non-Final OA SEIKO EPSON CORPORATION
18825881 Additive Manufacturing Composition Non-Final OA ExxonMobil Technology and Engineering Company
18764382 METHOD FOR PRODUCING REFINED ALUMINUM ALLOY Non-Final OA HONDA MOTOR CO., LTD.
17939029 IRON-BASED RARE EARTH BORON-BASED ISOTROPIC MAGNET ALLOY Final Rejection Murata Manufacturing Co., Ltd.
18696997 INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING PROGRAM, AND METHOD OF OPERATING A BLAST FURNACE Non-Final OA JFE STEEL CORPORATION
18692925 STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THEM Non-Final OA JFE Steel Corporation
18691606 STEEL SHEET FOR HOT PRESSING AND METHOD FOR PRODUCING THE SAME, AND HOT-PRESSED MEMBER AND METHOD FOR PRODUCING THE SAME Non-Final OA JFE Steel Corporation
18579575 GALVANIZED STEEL SHEET AND MEMBER, AND METHOD FOR MANUFACTURING SAME Non-Final OA JFE STEEL CORPORATION
18561053 METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET Final Rejection JFE STEEL CORPORATION
18248524 SOFT MAGNETIC IRON Non-Final OA JFE STEEL CORPORATION
18571957 AUSTENITIC STAINLESS STEEL POWDER AND METHOD FOR PRODUCING SAME Non-Final OA COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
19289149 DOUBLE COLD ROLLED NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF Final Rejection ArcelorMittal
17610906 A COLD ROLLED MARTENSITIC STEEL AND A METHOD OF MARTENSITIC STEEL THEREOF Non-Final OA ArcelorMittal
17736347 FE-BASED ALLOY AND ELECTRONIC COMPONENT INCLUDING THE SAME Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.
18694489 AGGLOMERATED ORE AND METHOD FOR PRODUCING SAME Non-Final OA NIPPON STEEL CORPORATION
18692990 STEEL MATERIAL FOR SLIDING PART AND METHOD OF MANUFACTURING STEEL MATERIAL FOR SLIDING PART Non-Final OA NIPPON STEEL CORPORATION
18576123 STEEL SHEET AND METHOD FOR PRODUCING SAME Non-Final OA NIPPON STEEL CORPORATION
18279757 NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME Final Rejection NIPPON STEEL CORPORATION
18278326 STEEL SHEET, STEEL MEMBER, AND COATED STEEL MEMBER Final Rejection NIPPON STEEL CORPORATION
17438939 FERRITIC HEAT-RESISTANT STEEL Non-Final OA NIPPON STEEL CORPORATION
18112238 NANOGRANULAR MAGNETIC FILM AND ELECTRONIC COMPONENT Final Rejection TDK CORPORATION
17779619 R-T-B BASED PERMANENT MAGNET Final Rejection TDK CORPORATION
18691485 ULTRA-HIGH STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT HOLE-EXPANDABILITY AND METHOD FOR MANUFACTURING SAME Non-Final OA POSCO CO., LTD
18038757 STEEL MATERIAL FOR SEISMIC DAMPER HAVING SUPERIOR IMPACT TOUGHNESS, AND MANUFACTURING METHOD FOR SAME Final Rejection POSCO Co., Ltd
18405784 THERMAL SHOCK SYNTHESIS OF MULTIELEMENT NANOPARTICLES Non-Final OA UNIVERSITY OF MARYLAND, COLLEGE PARK
17980888 800 MPA GRADE STEEL BAR AND PRODUCTION METHOD THEREOF Non-Final OA The University of Hong Kong
18278386 COLD FORGED GEAR STEEL AND MANUFACTURING METHOD THEREOF Final Rejection BAOSHAN IRON & STEEL CO., LTD.
18035878 Austenitic Stainless Steel Final Rejection Outokumpu Oyj

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