Prosecution Insights
Last updated: April 19, 2026

Examiner: OLSEN, KAELEIGH ELIZABETH

Tech Center 1600 • Art Units: 1619

This examiner grants 38% of resolved cases

Performance Statistics

37.5%
Allow Rate
-22.5% vs TC avg
77
Total Applications
+71.4%
Interview Lift
1224
Avg Prosecution Days
Based on 16 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
8.6%
§102 Novelty
42.5%
§103 Obviousness
33.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19355702 ENTERIC COATED PITOLISANT FORMULATIONS AND METHODS OF USE Non-Final OA Bioprojet Pharma
17619837 STABLE COLLOIDAL DRUG AGGREGATES AND METHODS OF MANUFACTURE AND USE THEREOF Final Rejection THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
17784933 REINFORCED BIOPOLYMERS Final Rejection W. L. Gore & Associates, Inc.
18558976 COMPOSITIONS CONTAINING AT LEAST ONE BIOSURFACTANT AND AT LEAST ONE SULFONIC OR SULFINIC ACID DERIVATIVE Non-Final OA Evonik Operations Gmbh
17642634 REPELLENT COMPOSITION AND USES Non-Final OA Centre National de la Recherche Scientifique
18364556 SKIN PEELING COMPOSITIONS Non-Final OA L'OREAL
18224125 METHODS FOR REDUCING FRIZZ AND IMPROVING SMOOTHNESS OF HAIR Non-Final OA L'OREAL
17905190 RETINOL-BASED COMPOSITION Final Rejection L'OREAL
17787526 RETINOL-BASED SERUM Final Rejection L'OREAL
18015094 METHODS OF FABRICATING 3D HIERARCHICAL NANOFIBER SCAFFOLDS WITH STRUCTURAL AND/OR COMPOSITIONAL GRADIENTS Final Rejection Board of Regents of the University of Nebraska
18042657 SOLID HAIR DETERGENT COMPOSITION Final Rejection MAX CO., LTD.
18005494 HERBICIDAL COMPOSITION AND METHOD FOR CONTROLLING WEEDS Final Rejection SUMITOMO CHEMICAL COMPANY, LIMITED
18261703 HAIR CONDITIONING FORMULATION Final Rejection Rohm and Haas Company
17898407 Conditioning Composition Final Rejection Henkel AG & Co. KGaA
17780437 IMPROVING THE PERFORMANCE OF PIGMENT-BASED DYES BY USING A PRETREAMENT AGENT Final Rejection Henkel AG & Co. KGaA
18025685 A PERSONAL CARE COMPOSITION COMPRISING AMINO ACIDS Non-Final OA Conopco, Inc., d/b/a UNILEVER
17790231 HAIR TREATMENT COMPOSITION Final Rejection Conopco, Inc., d/b/a Unilever
18248879 AGRICULTURAL PRODUCTS FOAM CONTROL AGENT Final Rejection Dow Silicones Corporation
17788582 OIL-IN-WATER-TYPE EMULSIFIED COSMETIC Final Rejection SHISEIDO COMPANY, LTD.
18035711 METHOD FOR OBTAINING AQUEOUS EXTRACTS OF TEA LEAVES, COMPOSITIONS COMPRISING SUCH EXTRACTS AND COSMETIC USES THEREOF Non-Final OA ISP INVESTMENTS LLC
18282131 NEW TOPICAL COMPOSITION FREE OF SULFATE DERIVED SURFACTANTS Non-Final OA PIERRE FABRE DERMO-COSMETIQUE
18202566 HPPD AND PPO AGROCHEMICAL FORMULATIONS CONTAINING DRIFT REDUCTION TECHNOLOGIES Non-Final OA Ethox Chemicals, LLC
18558823 COMPOSITION WITH ENHANCED PLANT DISEASE CONTROL EFFECT AND RAINFASTNESS OF D-TAGATOSE Non-Final OA MITSUI CHEMICALS CROP & LIFE SOLUTIONS, INC.
17918532 O/W EMULSION CONTAINING ETHANOL Non-Final OA DR. KURT WOLFF GMBH & CO. KG
18226822 Composition for Application to a Surface of Keratin Final Rejection Kao USA Inc.
18009495 NEW DRUG DELIVERY SYSTEM FOR OPHTHALMIC USE Final Rejection Dompe' Farmaceutici S.P.A.
17927635 A NO MALODOR HAIR PERM FORMULATION AND METHOD OF USE Final Rejection Cali-Curl, LLC
17923832 PROCESS FOR PRODUCING AN ORAL THIN FILM COMPRISING MICROPARTICLES Final Rejection LTS LOHMANN THERAPIE-SYSTEM AG
17908437 FORMULATION COMPRISING CALCIUM SILICATE Non-Final OA LEA CARES AB
17904895 HYBRID COSMETIC PRODUCT CONSISTING OF CREAMY COMPACT POWDER Final Rejection Art Cosmetics S.R.L.

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