Prosecution Insights
Last updated: October 02, 2026

Examiner: GILLIAM, BARBARA LEE

Tech Center 1700 • Art Units: 1700 1724 1725 1727

This examiner grants 24% of resolved cases

Analysis

Barbara Lee Gilliam is an examiner in Art Unit 1700 within Tech Center 1700. She has 112 resolved cases and an allowance rate of 24.1%. The median days to allowance is 1781. These figures suggest a very rigorous examination process and a notably long timeline for prosecution. The 24.1% allowance rate indicates that a minority of applications reach a grant, while the 1781-day median pendency reflects a prolonged duration for those that do.

The interview lift is 13.4%, which provides a measurable boost to the 24.1% allowance rate. This 13.4% lift suggests that direct communication is a helpful tool for navigating the challenges of prosecution with this examiner. Practitioners should factor the 1781-day median timeline into their long-term strategy for Art Unit 1700. While the allowance rate is 24.1%, the 13.4% lift indicates that interviews can improve the odds of success. With 112 cases resolved, these metrics provide a clear profile of the examiner's rigorous standards and the significant time required to meet them.

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
124
Total Applications
+13.4%
Interview Lift
1781
Avg Prosecution Days
Based on 112 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
20.4%
§102 Novelty
54.6%
§103 Obviousness
20.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18711494 LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18260462 AIR SUPPLY DEVICE FOR AN AIRCRAFT FUEL CELL DRIVE Non-Final OA MTU Aero Engines AG
18287694 ADHESIVE FILM, ELECTRICITY STORAGE DEVICE, AND METHOD FOR PRODUCING ELECTRICITY STORAGE DEVICE Non-Final OA DAI NIPPON PRINTING CO., LTD.
18023959 RESIN-ATTACHED FIBER AND ACTIVE MATERIAL LAYER, ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME Final Rejection TEIJIN LIMITED
17825292 BATTERY ASSEMBLY AND ELECTRONIC VAPORIZATION DEVICE Non-Final OA SHENZHEN SMOORE TECHNOLOGY LIMITED

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