Prosecution Insights
Last updated: October 27, 2026

Sally Thi Ley, USPTO Patent Examiner

Listed by the USPTO as LEY, SALLY THI

Tech Center 4100 • Art Units: 2123 2126 2145 2147 4100

This examiner grants 24% of resolved cases

Analysis

LEY, SALLY THI is assigned to Tech Center 4100 and Art Unit 2123. The profile includes 46 resolved cases, a 23.9% allowance rate, and a median of 1745 days to allowance. Interviews show a 15.7% lift. The low allowance rate and extended median timing indicate that applicants should prepare for sustained prosecution and use interviews to clarify concrete issues.

Representative companies include Google LLC, Amazon Technologies Inc., and Fujifilm Corporation. The leading firms are Bayramoglu Law Offices LLC, CANTOR COLBURN LLP, and COATS & BENNETT, PLLC. The smaller resolved-case record makes the figures useful for context, but not a substitute for application-specific analysis.

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

Performance Statistics

23.9%
Allow Rate
-36.1% vs TC avg
89
Total Applications
+15.7%
Interview Lift
1745
Avg Prosecution Days
Based on 46 resolved cases, 2023–2026

Rejection Statute Breakdown

26.0%
§101 Eligibility
11.3%
§102 Novelty
52.7%
§103 Obviousness
10.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18576213 A Quantum Neural Network for Noisy Intermediate Scale Quantum Devices Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
17542869 LEARNING APPARATUS, OPERATION METHOD OF LEARNING APPARATUS, OPERATION PROGRAM OF LEARNING APPARATUS, AND OPERATING APPARATUS Non-Final OA FUJIFILM Corporation
18838561 Systems and Methods for Inferring User Intent Based on Physical Signals Non-Final OA Google LLC
18835613 MERGING ELEMENTS OF SEQUENCES DURING NEURAL NETWORK PROCESSING Non-Final OA Google LLC
18430401 Performance of Entangling Gates Between Fluxonium Qubits Coupled Together Using a Resonator Coupler Non-Final OA Amazon Technologies, Inc.
18066881 AN EAGER SAT-BASED SOLVER FOR A QUANTIFIER-FREE THEORY OF STRINGS AND BIT VECTORS Non-Final OA Amazon Technologies, Inc.
18678015 System, Method, and Computer Program Product for Evolutionary Learning in Verification Template Matching During Biometric Authentication Non-Final OA Visa International Service Association
18077116 METHOD AND APPARATUS FOR SYNCHRONIZING NEUROMORPHIC PROCESSING UNITS Final Rejection ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
18676339 SAVING PRODUCTION RUNS OF A FUNCTION AS UNIT TEST AND AUTOMATIC OUTPUT REGENERATION Non-Final OA Palantir Technologies Inc.
18327192 MULTIMODAL DEEP LEARNING WITH BOOSTED TREES Final Rejection International Business Machines Corporation
17115631 NEURAL NETWORK SCHEDULER Non-Final OA NVIDIA Corporation
18512766 Data Generation Method, Model Training Method, Apparatus, Electronic Device, and Medium Non-Final OA Beijing Baidu Netcom Science Technology Co., Ltd.
17677009 COMPRESSING INFORMATION IN AN END NODE USING AN AUTOENCODER NEURAL NETWORK Final Rejection Silicon Laboratories Inc.
18170383 FAST TRAINING FOR A DATA PIPELINE MONITORING SYSTEM Final Rejection Data Culpa, Inc.

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Frequently Asked Questions

What is examiner Sally Thi Ley's allowance rate?

23.9% of resolved applications examined by Sally Thi Ley were allowed (46 resolved cases), compared with 38.8% across Art Unit 2123 over the last five years.

Does an interview help with examiner Sally Thi Ley?

This examiner's interview lift is +15.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sally Thi Ley take to allow a patent?

Applications allowed by Sally Thi Ley took 1,745 days on average from filing to allowance.

Which art unit does examiner Sally Thi Ley work in?

Sally Thi Ley examines applications in Art Unit 2123 in Tech Center 4100.

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