Prosecution Insights
Last updated: October 26, 2026

Angela M Lie, USPTO Patent Examiner

Listed by the USPTO as LIE, ANGELA M

Tech Center 3900 • Art Units: 2163 2167 2844 3992

This examiner grants 76% of resolved cases

Analysis

Angela M Lie is an examiner in Tech Center 3900 and Art Unit 2163, with 212 resolved cases. The allowance rate of 76.4 percent suggests a favorable outlook for applicants. The median days to allowance is 1363, which is a key metric for understanding the typical prosecution timeline.

The interview lift is 6.9 percent, indicating that while interviews are helpful, the 76.4 percent allowance rate is largely driven by other factors in the 212 resolved cases. Top companies such as Lutron Technology Company LLC and DocuSign Inc. are active in this examiner's art unit.

Firms like AMSTER, ROTHSTEIN & EBENSTEIN LLP and BIRCH STEWART KOLASCH & BIRCH, LLP are among the most frequent representatives. The 1363 median days to allowance is an important benchmark for planning. These figures offer a clear view of the examiner's performance and the typical path for applications in Art Unit 2163.

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

Performance Statistics

76.4%
Allow Rate
+16.4% vs TC avg
231
Total Applications
+6.9%
Interview Lift
1363
Avg Prosecution Days
Based on 212 resolved cases, 2023–2026

Rejection Statute Breakdown

8.9%
§101 Eligibility
23.1%
§102 Novelty
37.3%
§103 Obviousness
12.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19240360 INTELLIGENT ILLUMINATION DEVICE Non-Final OA Lutron Technology Company LLC
19027720 LED Illumination Device and Method for Accurately Controlling the Intensity and Color Point of the Illumination Device over Time Non-Final OA Lutron Technology Company LLC
19029333 Linear LED Illumination Device with Improved Color Mixing Non-Final OA Lutron Technology Company LLC
18642584 INTERFERENCE-RESISTANT COMPENSATION FOR ILLUMINATION DEVICES HAVING MULTIPLE EMITTER MODULES Final Rejection Lutron Technology Company LLC
18233231 Interference-Resistant Compensation for Illumination Devices Using Multiple Series of Measurement Intervals Non-Final OA Lutron Technology Company LLC
18087925 Lighting Control System Final Rejection Lutron Technology Company LLC
18087365 Illumination Device and Method for Avoiding Flicker Non-Final OA Lutron Technology Company LLC
17558878 SYSTEM AND METHOD FOR ENSURING MINIMAL CONTROL DELAY TO GROUPED ILLUMINATION DEVICES CONFIGURED WITHIN A WIRELESS NETWORK Final Rejection Lutron Technology Company LLC
18053051 HANDOVER FROM A MOVING BASE STATION Final Rejection British Telecommunications Public Limited Company

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Frequently Asked Questions

What is examiner Angela M Lie's allowance rate?

76.4% of resolved applications examined by Angela M Lie were allowed (212 resolved cases), compared with 63.8% across Art Unit 2163 over the last five years.

Does an interview help with examiner Angela M Lie?

This examiner's interview lift is +6.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Angela M Lie take to allow a patent?

Applications allowed by Angela M Lie took 1,363 days on average from filing to allowance.

Which art unit does examiner Angela M Lie work in?

Angela M Lie examines applications in Art Unit 2163 in Tech Center 3900.

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