Prosecution Insights
Last updated: October 27, 2026

Emma Lynne Alexander, USPTO Patent Examiner

Listed by the USPTO as ALEXANDER, EMMA LYNNE

Tech Center 3600 • Art Units: 2857 2863 3645

This examiner grants 70% of resolved cases

Analysis

ALEXANDER, EMMA LYNNE works in tech center 3600 and art unit 2857. The profile records 40 resolved cases, with an allowance rate of 70.0%. Median time to allowance is 1254 days. Interviews are associated with a 13.3% lift in the allowance rate, offering a positive interview signal for counsel considering examiner engagement.

The listed companies are Chevron Corporation, NXP Semiconductors N.V., and Fujifilm Corporation. The listed firms are ARC PATENTS, Dickinson Wright PLLC - Washington DC, and JCIPRNET. The limited resolved-case volume means these figures are best treated as an initial reference for art unit 2857.

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

Performance Statistics

70.0%
Allow Rate
+18.0% vs TC avg
66
Total Applications
+13.3%
Interview Lift
1254
Avg Prosecution Days
Based on 40 resolved cases, 2023–2026

Rejection Statute Breakdown

25.2%
§101 Eligibility
14.0%
§102 Novelty
47.9%
§103 Obviousness
12.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18611037 ANALYSIS METHOD OF PHOTOSENSITIVE COMPOSITION, PRODUCTION METHOD OF PHOTOSENSITIVE COMPOSITION, AND MANUFACTURING METHOD OF ELECTRONIC DEVICE Non-Final OA FUJIFILM Corporation
18176875 STORAGE MEDIUM, ELECTROMAGNETIC FIELD ANALYSIS DEVICE, AND ELECTROMAGNETIC FIELD ANALYSIS METHOD Final Rejection FUJITSU LIMITED
17984876 METHOD FOR ANALYZING SHAPE OF OBJECT BY USE OF LIDAR THROUGH ADDITIONAL ANALYSIS OF WHOLE LAYER DATA AND DEVICE FOR TRACKING OBJECT ACCORDING TO THE SAME Final Rejection KIA CORPORATION
18312379 METHOD AND APPARATUS FOR AUTOMATIC TESTING OF A TOUCH SCREEN Final Rejection GE Precision Healthcare LLC
18685224 FAULT DETECTION METHOD AND EQUIPMENT FOR DRAINAGE PIPE NETWORK, SERVER, AND STORAGE MEDIUM Non-Final OA Cloud Intelligence Assets Holding (Singapore) Private Limited
18063333 Method and System to Spatially Identify Conductive Regions Using Pressure Transience for Characterizing Conductive Fractures and Subsurface Regions Final Rejection ExxonMobil Technology and Engineering Company

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Frequently Asked Questions

What is examiner Emma Lynne Alexander's allowance rate?

70.0% of resolved applications examined by Emma Lynne Alexander were allowed (40 resolved cases), compared with 72.0% across Art Unit 2857 over the last five years.

Does an interview help with examiner Emma Lynne Alexander?

This examiner's interview lift is +13.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Emma Lynne Alexander take to allow a patent?

Applications allowed by Emma Lynne Alexander took 1,254 days on average from filing to allowance.

Which art unit does examiner Emma Lynne Alexander work in?

Emma Lynne Alexander examines applications in Art Unit 2857 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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