Prosecution Insights
Last updated: October 02, 2026

Examiner: ROBERTS, LEZAH

Tech Center 1600 • Art Units: 1612

This examiner grants 48% of resolved cases

Analysis

Lezah Roberts is an examiner in Tech Center 1600 and Art Unit 1612. She has 772 resolved cases. Her allowance rate is 48.4 percent. The interview lift is 35.1 percent. This 35.1 percent lift suggests that interviews are a very effective tool for advancing prosecution. The median days to allowance is 1516.

With 772 resolved cases, the data shows a consistent and rigorous examination process. The 48.4 percent allowance rate is near the middle of the spectrum. The 1516 median days indicate a relatively long prosecution timeline. Practitioners should consider the 35.1 percent lift when deciding on a response strategy. The 772 resolved cases make these statistics highly reliable. The 48.4 percent allowance rate suggests a thorough review of each application.

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

Performance Statistics

48.4%
Allow Rate
-11.6% vs TC avg
844
Total Applications
+35.1%
Interview Lift
1516
Avg Prosecution Days
Based on 772 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
14.7%
§102 Novelty
52.8%
§103 Obviousness
16.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18911395 ORAL CARE COMPOSITIONS COMPRISING DICARBOXYLIC ACID Non-Final OA The Procter & Gamble Company
18757660 DISSOLVABLE SOLID CLEANSING ARTICLES CONTAINING SULFONATE-CONTAINING ANIONIC SURFACTANTS Final Rejection The Procter & Gamble Company
17243618 Mint Flavor Compositions Final Rejection The Procter & Gamble Company
17233579 Toothpaste Compositions Comprising Silica And Surface Active Polymer Non-Final OA The Procter & Gamble Company
18725398 A COMPOSITION COMPRISING POLYMERS Non-Final OA BASF SE
18450240 ORAL CARE PRODUCTS AND METHODS Non-Final OA BASF SE
18701303 Compositions and Methods for Modulating Mitochondrial Function Final Rejection Board of Regents, The University of Texas System
18335208 PET FOOD COMPOSITIONS Non-Final OA Hill's Pet Nutrition, Inc.
18722650 COSMETIC COMPOSITION COMPRISING A PARTICULATE CELLULOSIC COMPOUND, HYDROPHOBIC SILICA AEROGEL PARTICLES, AND A WAX OF PLANT ORIGIN Final Rejection L'OREAL
18573710 COMPOSITION COMPRISING PROPANE-1,3-DIOL, AT LEAST ONE ALKANOLAMINE, AT LEAST ONE FATTY SUBSTANCE AND OPTIONALLY AT LEAST ONE POLYOL Non-Final OA L'Oreal
18255651 ANHYDROUS SOLID COMPOSITION COMPRISING AN ANIONIC SURFACTANT AND A MIXTURE OF CITRIC ACID AND BICARBONATE Final Rejection L'OREAL
18608448 Oral Care Compositions and Methods of Use Non-Final OA Colgate-Palmolive Company
18543423 Oral Care Compositions Final Rejection Colgate-Palmolive Company
18531033 Mouthwash Compositions and Methods Final Rejection Colgate-Palmolive Company
18517201 Oral Care Compositions Final Rejection Colgate-Palmolive Company
18513925 Oral Care Compositions Non-Final OA Colgate-Palmolive Company
18549085 Methods of Enhancing Natural Defense in the Oral Cavity Non-Final OA Colgate-Palmolive Company
18360665 Oral Care Compositions Non-Final OA Colgate-Palmolive Company
18250384 Films and Oral Care Compositions Comprising Same Non-Final OA Colgate-Palmolive Company
17950735 Oral Care Compositions and Methods Final Rejection Colgate-Palmolive Company
17309858 Methods of Inhibiting Neutrophil Recruitment to the Gingival Crevice Non-Final OA Colgate-Palmolive Company
17438299 CONCEALMENT OF HYPOMINERALISED LESIONS Non-Final OA The University of Melbourne
18718682 HAIR CONDITIONING COMPOSITION FOR IMPROVED DEPOSITION Final Rejection Conopco, Inc., d/b/a UNILEVER
17718922 ENZYMATIC TARGETING CARIOGENIC BACTERIAL-FUNGAL BIOFILM INTERACTION Final Rejection The Trustees of the University of Pennsylvania
18526401 CONDITIONING COMPOSITION FOR KERATIN FIBERS Final Rejection KAO CORPORATION
17423793 USE OF COOLING MATERIALS FOR THE REDUCTION OR INHIBITION OF SALTINESS IN ORALLY ADMINISTERED, IMBIBED OR INGESTED CONSUMER PRODUCTS Non-Final OA TAKASAGO INTERNATIONAL CORPORATION
18286525 COMPOUNDS WITH COOLING SENSATION PROPERTIES Final Rejection Givaudan SA
18265840 A METHOD FOR FIGHTING MICROORGANISMS USING MENTHOL DERIVATIVES Non-Final OA SYMRISE AG
18379052 TEETH WHITENING COMPOSITIONS, KITS, AND SYSTEMS Non-Final OA ZEST IP HOLDINGS, LLC

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