Prosecution Insights
Last updated: August 17, 2026

Examiner: ZHANG SPIERING, DONGXIU

Tech Center 1600 • Art Units: 1616

This examiner grants 38% of resolved cases

Performance Statistics

38.1%
Allow Rate
-21.9% vs TC avg
103
Total Applications
+88.9%
Interview Lift
1173
Avg Prosecution Days
Based on 21 resolved cases, 2023–2026

Rejection Statute Breakdown

3.0%
§101 Eligibility
12.9%
§102 Novelty
43.4%
§103 Obviousness
26.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18541480 MULTI-FUNCTION ALCOHOL-FREE HAIR CARE COMPOSITION Final Rejection The Procter & Gamble Company
18299864 PERSONAL CLEANSING COMPOSITION FREE OF ALKYL SULFATE OR ALKYL ETHER SULFATE TYPE OF SURFACTANTS Final Rejection The Procter & Gamble Company
18288205 Hair Relaxer Final Rejection BASF SE
18010220 METHOD FOR PRODUCING A PERSONALIZED COSMETIC PREPARATION Final Rejection BASF SE
18033842 FERTILIZER COMPATIBLE AGROCHEMICAL SUSPENSIONS Final Rejection BASF SE
18001831 A STABLE, SOLVENT-FREE, SELF-EMULSIFIABLE CONCENTRATE Final Rejection BASF SE
17999334 HERBICIDAL CINNOLINE DERIVATIVES Final Rejection SYNGENTA CROP PROTECTION AG
16351415 ARTICLES AND COMPOSITIONS ASSOCIATED WITH OILS ON SURFACES AND ASSOCIATED METHODS Non-Final OA Massachusetts Institute of Technology
18294847 COMPOSITION FOR PESTICIDE PHYTOTOXICITY REDUCTION COMPRISING AMINO ACID Non-Final OA CJ CheilJedang Corporation
18627155 COMPOSITIONS AND METHODS FOR REDUCING ADVERSE EFFECTS OF STORAGE, TRANSPORT AND ADMINISTRATION OF ANTIGEN-CONTAINING FORMULATIONS Non-Final OA THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE
18251509 AGROCHEMICAL COMPOSITION WITH IMPROVED DRIFT, SPREADING AND UPTAKE PROPERTIES Non-Final OA Bayer Aktiengesellschaft
17757168 STABLE COMPOSITION COMPRISING COMBINATION OF SPECIFIC INGREDIENTS Final Rejection L'OREAL

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