Prosecution Insights
Last updated: October 02, 2026

Examiner: ZHANG, HAI Y

Tech Center 2800 • Art Units: 1717 1732 1783 2872 2877

This examiner grants 69% of resolved cases

Analysis

Hai Y. Zhang is an examiner in Art Unit 1717 of Tech Center 2800. He has 332 resolved cases and an allowance rate of 68.7 percent. This 68.7 percent rate is a metric for applicants and suggests a path to allowance. The median days to allowance is 1178. This 1178-day figure is a timeframe for this tech center. Practitioners can use this metric to set realistic expectations for their clients in Tech Center 2800.

The interview lift of 42.6 percent suggests that interviews are an effective strategy for this examiner. This 42.6 percent lift can improve the likelihood of obtaining a grant and should be a tool for practitioners. With 332 resolved cases, the 68.7 percent allowance rate is a metric for Art Unit 1717. The 42.6 percent lift indicates that the examiner is receptive to resolving issues through discussion. The 1178-day median is a reference point for pendency. The data points to a process where advocacy is rewarded.

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

Performance Statistics

68.7%
Allow Rate
+0.7% vs TC avg
358
Total Applications
+42.6%
Interview Lift
1178
Avg Prosecution Days
Based on 332 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
17.7%
§102 Novelty
46.9%
§103 Obviousness
22.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18513745 INK JET RECORDING METHOD AND INK JET RECORDING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18677308 GOLD NANOPARTICLES-EMBEDDED ZINC OXIDE NANOSHEETS AS SURFACE-ENHANCED RAMAN SCATTERING-ACTIVE SUBSTRATE Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
18277518 METHOD FOR PRODUCING A MINERAL FIBRE PRODUCT Final Rejection ROCKWOOL A/S
18281648 MULTI-LAYER BOROPHENE AND METHOD OF SYNTHESIZING SAME Non-Final OA NORTHWESTERN UNIVERSITY
18995474 PROCESSING APPARATUS FOR PROCESSING A FLEXIBLE SUBSTRATE AND METHODS THEREFOR Non-Final OA Applied Materials, Inc.
18717952 VIRTUAL EMBOSSING ON COIL COATING Final Rejection SWIMC LLC
18994148 ION TRANSPORT STRUCTURE USING TWO-DIMENSIONAL NANOMATERIAL HAVING DEFECTS, METHOD FOR PREPARING SAME AND LITHIUM EXTRACTION APPARATUS COMPRISING SAME Non-Final OA IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
18602585 PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM- AND MOLYBDENUM-CONTAINING COMPOSITIONS Non-Final OA Chemetall GmbH
19024943 ASSEMBLED MXENE NANOMATERIAL COATING BY SOLUTE-ASSISTED ASSEMBLY AND METHOD OF USING THE SAME Non-Final OA Drexel University

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