Prosecution Insights
Last updated: October 02, 2026

Examiner: BLACK, LINH

Tech Center 2100 • Art Units: 2159 2163 2169

This examiner grants 50% of resolved cases

Analysis

Linh Black is an examiner in Tech Center 2100 and Art Unit 2159. With 448 resolved cases, the examiner has an allowance rate pct of 50.4. This indicates an even split between allowances and other resolutions. The large number of cases provides a reliable statistical view of the examiner's prosecution habits.

The median days to allowance is 1784, which is quite long. The interview lift pct is 10.6, suggesting that interviews provide a moderate benefit in navigating the prosecution process toward an allowance. Practitioners should be prepared for a lengthy 1784 day cycle and consider an interview to improve the 50.4 allowance rate pct. The 10.6 lift pct indicates that while verbal advocacy is helpful, it may not overcome all hurdles in this docket. The data suggests a steady but slow path to resolution.

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

Performance Statistics

50.4%
Allow Rate
-4.6% vs TC avg
481
Total Applications
+10.6%
Interview Lift
1784
Avg Prosecution Days
Based on 448 resolved cases, 2023–2026

Rejection Statute Breakdown

12.2%
§101 Eligibility
16.4%
§102 Novelty
66.9%
§103 Obviousness
2.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16135405 SYSTEMS, METHODS AND DATA STRUCTURES FOR WORKFLOW BLOCKCHAINS Final Rejection Toyota Motor Engineering & Manufacturing North America, Inc.
18599636 COMMUNICATING VIA A COMMUNICATION CHANNEL IDENTIFIED FROM AN EXTRACT, TRANSFORM, AND LOAD PROCESS Non-Final OA Capital One Services, LLC
17036343 SYSTEMS AND METHODS FOR RECOMMENDING MEDIA ASSETS BASED ON OBJECTS CAPTURED IN VISUAL ASSETS Final Rejection Adeia Guides Inc.
16987082 METHODS AND SYSTEMS FOR SEARCHING BASED ON MULTIPLE USER PROFILES Final Rejection Adeia Guides Inc.
18363668 SYSTEMS AND METHODS FOR CLASSIFYING SUBSTRUCTURE IN GRAPH DATA Final Rejection PAYPAL, INC.
18622281 Unbounded Regular Path Queries In SQL Non-Final OA Oracle International Corporation
18444454 TUNING-FREE UNSUPERVISED ANOMALY DETECTION BASED ON DISTANCE TO NEAREST NORMAL POINT Final Rejection Oracle International Corporation
18718998 ENABLING FEDERATED CONCEPT MAPS IN LOGICAL ARCHITECTURE OF DATA MESH Final Rejection Telefonaktiebolaget LM Ericsson (publ)
16815581 GUIDED QUERY RECOMMENDATIONS Non-Final OA Microsoft Technology Licensing, LLC
17809624 LONG TEXT CLUSTERING METHOD BASED ON INTRODUCING EXTERNAL LABEL INFORMATION Non-Final OA International Business Machines Corporation
16692907 ASSET ADDITION SCHEDULING FOR A KNOWLEDGE BASE Non-Final OA International Business Machines Corporation
18748078 METHOD AND APPARATUS FOR VECTOR RETRIEVAL, ELECTRONIC DEVICE, AND STORAGE MEDIUM Non-Final OA BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
18486839 SYSTEMS AND METHODS FOR CONTENT SHARING THROUGH EXTERNAL SYSTEMS Non-Final OA Open Text SA ULC
17858974 SYSTEMS AND METHODS FOR LIMITING OPERATIONS ON DOCUMENTS AT AN EXTERNAL SYSTEM Non-Final OA OPEN TEXT SA ULC
18883999 DATA PROCESSING METHOD, ELECTRONIC DEVICE AND MEDIUM Final Rejection Beijing Volcano Engine Technology Co., Ltd.
18488734 EVENT HYDRATION AND VALIDATION FOR EFFICIENT REPORT GENERATION Final Rejection Maplebear Inc.
18343915 MANAGING DATA INFLUENCED BY A STOCHASTIC ELEMENT FOR USE IN A DATA PIPELINE Non-Final OA Dell Products L.P.
18654632 METHOD AND SYSTEM FOR IDENTIFYING ATTRIBUTE OF ENTITY Final Rejection SAMSUNG SDS CO., LTD.

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