Prosecution Insights
Last updated: October 26, 2026

Barbara Lee Gilliam, USPTO Patent Examiner

Listed by the USPTO as GILLIAM, BARBARA LEE

Tech Center 1700 • Art Units: 1700 1724 1725 1727

This examiner grants 24% of resolved cases

Analysis

GILLIAM, BARBARA LEE is assigned to Technology Center 1700 and Art Unit 1700. The profile covers 112 resolved cases, with an allowance rate of 24.1% and a median of 1781 days to allowance. The interview lift is 13.4%, indicating a positive association between interviews and allowance outcomes, although the allowance rate remains limited.

The principal companies are Panasonic Holdings Corporation, LG Energy Solution Ltd., and Mtu Aero Engines AG. The leading firms are Bryan Cave Leighton Paisner LLP (DC), CANTOR COLBURN LLP - FastCAP Systems, and Hinckley, Allen & Snyder, LLP. The record supports early development of technically precise claim positions and realistic timing expectations. Interviews may assist prosecution, but the outcome pattern also emphasizes the need for thorough written responses. The company affiliations point to energy, electronics, and aerospace technologies.

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

Performance Statistics

24.1%
Allow Rate
-40.9% vs TC avg
129
Total Applications
+13.4%
Interview Lift
1781
Avg Prosecution Days
Based on 112 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
19.7%
§102 Novelty
54.8%
§103 Obviousness
20.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18729245 POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18711494 LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18287694 ADHESIVE FILM, ELECTRICITY STORAGE DEVICE, AND METHOD FOR PRODUCING ELECTRICITY STORAGE DEVICE Non-Final OA DAI NIPPON PRINTING CO., LTD.
18577480 Positive Electrode Active Material, Preparation Method Thereof, And Lithium Secondary Battery Including The Positive Electrode Active Material Non-Final OA LG Chem, Ltd.

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Frequently Asked Questions

What is examiner Barbara Lee Gilliam's allowance rate?

24.1% of resolved applications examined by Barbara Lee Gilliam were allowed (112 resolved cases), compared with 40.4% across Art Unit 1700 over the last five years.

Does an interview help with examiner Barbara Lee Gilliam?

This examiner's interview lift is +13.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Barbara Lee Gilliam take to allow a patent?

Applications allowed by Barbara Lee Gilliam took 1,781 days on average from filing to allowance.

Which art unit does examiner Barbara Lee Gilliam work in?

Barbara Lee Gilliam examines applications in Art Unit 1700 in Tech Center 1700 (Chemistry & Materials).

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