Prosecution Insights
Last updated: August 17, 2026

Examiner: SONG, JIANFENG

Tech Center 1600 • Art Units: 1613

This examiner grants 56% of resolved cases

Performance Statistics

56.2%
Allow Rate
-3.8% vs TC avg
929
Total Applications
+33.1%
Interview Lift
966
Avg Prosecution Days
Based on 858 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
10.2%
§102 Novelty
48.4%
§103 Obviousness
17.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18800195 LIPID PARTICLE, COMPOSITION CONTAINING LIPID PARTICLE, KIT CONTAINING LIPID PARTICLE, AND ACTIVE AGENT DELIVERY METHOD USING LIPID PARTICLE Non-Final OA KABUSHIKI KAISHA TOSHIBA
18855905 METHOD FOR PRODUCING EMULSIFIED COMPOSITION Non-Final OA Daicel Corporation
17047522 Methods and Compositions for Hair Growth by Activating Autophagy Non-Final OA The Regents of the University of California
18284678 DIALKYLPENTENE ETHER AND DIALKYLPENTADIENE ETHER DERIVATIVES AS FRAGRANCES Final Rejection BASF SE
18487218 INTERACTION BETWEEN ANTIMICROBIAL QUATERNARY COMPOUNDS AND ANIONIC SURFACTANTS Final Rejection ECOLAB USA INC.
18528620 PERSONAL CARE SPRAY COMPOSITIONS AND METHODS COMPRISING TRANS-1-CHLORO-3,3,3-TRIFLUOROPROPENE Non-Final OA HONEYWELL INTERNATIONAL INC.
18850891 COMPOSITION FOR CLEANSING THE HAIR Non-Final OA L'OREAL
18292246 COMPOSITION COMPRISING CYSTEINE, A PARTICULAR FATTY ACID TRIGLYCERIDE AND AN ADDITIONAL REDUCING AGENT Non-Final OA L'OREAL
18543636 COSMETIC EMULSION COMPRISING HYDROPHOBIC POLYMER Final Rejection L'OREAL
18544283 MINERAL SUNSCREEN COMPOSITION COMPRISING HYDROPHOBIC POLYMER Final Rejection L'OREAL
18539466 COSMETIC ADHESIVE COMPOSITIONS Non-Final OA L'OREAL
17927488 COSMETIC COMPOSITION COMPRISING AT LEAST 30% BY WEIGHT OF BRANCHED ALKANE AND A COMBINATION OF PARTICULAR SILICONES Final Rejection L'OREAL
17779021 COMPOSITION FOR BRIGHTENING AND/OR WHITENING KERATIN MATERIALS Non-Final OA L'OREAL

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month