Prosecution Insights
Last updated: October 02, 2026

Examiner: PRESTON, ASHLEY DAWN

Tech Center 3600 • Art Units: 3625 3664 3684 3688 3689

This examiner grants 43% of resolved cases

Analysis

Ashley Dawn Preston is an examiner in Tech Center 3600 and Art Unit 3625, where she has resolved 187 cases. Her allowance rate is 42.8 percent, which serves as a metric for successful prosecution in her docket. The median days to allowance for these granted applications is 1230, establishing the timeline for the process.

The data shows an interview lift of 26.6 percent, indicating the change in allowance probability when an interview is conducted. With 187 resolved cases, the statistics provide a view of her performance in Art Unit 3625. The 1230 median days to allowance is a figure for applicants to consider when planning their strategy.

Practitioners can use the 26.6 percent interview lift to supplement the 42.8 percent allowance rate. The 1230 median days to allowance reflects the pace of work within Tech Center 3600. These figures offer an overview of the prosecution environment under Examiner Preston.

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

Performance Statistics

42.8%
Allow Rate
-9.2% vs TC avg
223
Total Applications
+26.6%
Interview Lift
1230
Avg Prosecution Days
Based on 187 resolved cases, 2023–2026

Rejection Statute Breakdown

42.3%
§101 Eligibility
6.4%
§102 Novelty
39.0%
§103 Obviousness
9.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18890136 SYSTEM, PLATFORM, DEVICE AND METHOD FOR PERSONALIZED SHOPPING Final Rejection NIKE, Inc.
18422170 INFORMATION PROCESSING DEVICE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18319416 SYSTEM AND METHOD FOR PREDICTING THE DESIRE TO KEEP THE DOOR OPEN WHEN MAKING DECISIONS Final Rejection TOYOTA RESEARCH INSTITUTE, INC.
19236406 METHOD, DEVICE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM FOR PROVIDING AUGMENTED REALITY-BASED MAKEUP PRODUCT SETS IN A MESSAGING SYSTEM Non-Final OA Snap Inc.
18585694 ITEM MANAGEMENT SYSTEM, METHOD, AND INFORMATION PROCESSING APPARATUS Final Rejection CANON KABUSHIKI KAISHA
18422664 SYSTEMS AND METHODS FOR USING MACHINE-LEARNING TO DETERMINE USER-SPECIFIC GUIDANCE Non-Final OA Capital One Services, LLC
18512269 SYSTEMS AND METHODS FOR GENERATING AN INTERACTIVE GRAPHICAL USER INTERFACE Final Rejection Capital One Services, LLC
18324759 SYSTEMS AND METHODS FOR VEHICLE RECOMMENDATIONS Final Rejection Capital One Services, LLC
19113875 RECOMMENDATION METHOD, ELECTRONIC DEVICE AND COMPUTER-READABLE MEDIUM Non-Final OA BEIJING ZITIAO NETWORK TECHNOLOGY CO., LTD
18335454 INTELLIGENT PRODUCT GUIDANCE BASED ON SPACE AVAILABILITY Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18067270 INTELLIGENT FOOD ORDER SELECTION AND FULFILLMENT PLATFORM Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18157854 PRODUCT DESCRIPTION AUGMENTATION Final Rejection ADOBE INC.
18588735 METHOD, APPARATUS, DEVICE AND STORAGE MEDIUM FOR DELIVERY COST ESTIMATION Non-Final OA Lemon Inc.
19256149 METHOD, COMPUTER PROGRAM PRODUCT, AND SYSTEM FOR TRAINING A MACHINE LEARNING MODEL TO GENERATE USER EMBEDDINGS AND RECIPE EMBEDDINGS IN A COMMON LATENT SPACE FOR RECOMMENDING ONE OR MORE RECIPES TO A USER Non-Final OA Maplebear Inc.
18769202 Personalized Ranking of Search Query Results Using Engagement-Independent Machine Learning Model for Cold-Start Items Final Rejection Maplebear Inc.
18297176 COMPUTERIZED SYSTEMS AND METHODS FOR LOCATION-BASED CONTENT FILTERING AND DELIVERY Final Rejection YAHOO ASSETS LLC
18986287 METHOD AND SYSTEM FOR RECOMMENDING PRODUCT BUNDLES Non-Final OA Target Brands, Inc.
18539091 GENERATIVE ARTIFICIAL INTELLIGENCE KNOWLEDGE GRAPH ENGINE IN AN ITEM LISTING SYSTEM Final Rejection eBay Inc.
18720580 INFORMATION RECOMMENDATION METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM Final Rejection Beijing Bytedance Network Technology Co., Ltd.
18651084 ARCHITECTURE FOR PERSONALIZED BEAUTY EXPERIENCE USING LARGE LANGUAGE MODEL Final Rejection L'Oreal
18651055 PERSONALIZED BEAUTY EXPERIENCE USING LARGE LANGUAGE MODEL Non-Final OA L'Oreal
18438843 SYSTEMS AND METHODS FOR FLEXIBLE OBJECT ACTIVATION Non-Final OA SYNCHRONY BANK

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