Prosecution Insights
Last updated: October 26, 2026

Brieann R Johnston, USPTO Patent Examiner

Listed by the USPTO as JOHNSTON, BRIEANN R

Tech Center 3700 • Art Units: 1718 1742 1744 1745 1759 1763 1766 1767 1768 1787

This examiner grants 50% of resolved cases

Performance Statistics

49.6%
Allow Rate
-20.4% vs TC avg
1,093
Total Applications
+32.6%
Interview Lift
1048
Avg Prosecution Days
Based on 1033 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
20.4%
§102 Novelty
52.4%
§103 Obviousness
17.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18687088 FIRE-RETARDANT PRESSURE SENSITIVE ADHESIVES, ARTICLES, AND USES Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18014835 WATER SEALING ADHESIVE FILM FOR DECORATION Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18415348 WHITE INK FOR INKJET PRINTING Non-Final OA KYOCERA Document Solutions Inc.
18549802 STABILIZER COMPOSITION, USE OF THE STABILIZER COMPOSITION, METHOD FOR STABILIZING CONDENSATION POLYMERS AGAINST HYDROLYTIC DEGRADATION, AND HYDROLYSIS-STABILIZED COMPOSITION AND MOLDING OR MOLDED PART CONSISTING THEREOF Non-Final OA FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
18015549 DITHIOLENE METAL COMPLEXES Final Rejection BASF SE
18011854 NAPHTHALOCYANINE AND PHTHALOCYANINE PARTICLES Final Rejection BASF SE
18198542 DIELECTRIC SLURRY USING DISPERSANT AND METHOD OF PREPARING DISPERSANT Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.
18715407 INSULATING AND FLAME RETARDANT POLYAMIDE COMPOSITION FOR COVERING AN ELECTRIC BATTERY INTERCONNECTING BAR Final Rejection ARKEMA FRANCE
18570369 SYSTEMS AND METHODS FOR COATING MULTI-LAYERED COATED METAL SUBSTRATES Final Rejection PRC-Desoto International, Inc.
18549210 FLAME RETARDANT POLYPROPYLENE COMPOSITION Final Rejection BOREALIS AG
18284995 FLAME-RETARDANT THERMOPLASTIC POLYESTER ELASTOMER RESIN COMPOSITION, AND MOLDED ARTICLE OBTAINED THEREFROM Final Rejection TOYOBO MC Corporation
18040900 WATER-DISPERSIBLE SULFOPOLYESTERS WITH LOW DISPERSION VISCOSITIES Non-Final OA Eastman Chemical Company
18993042 ORGANIC BINDER FOR TILING ADHESIVE Non-Final OA Dow Global Technologies LLC
18284851 PROPANE TRICARBOXYLATE-BASED PLASTICIZER COMPOSITION AND RESIN COMPOSITION INCLUDING THE SAME Final Rejection LG CHEM, LTD.
18462059 PARTICLES COMPRISING POLYAMIDES WITH PENDENT OPTICAL ABSORBERS AND RELATED METHODS Non-Final OA Xerox Corporation

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Frequently Asked Questions

What is examiner Brieann R Johnston's allowance rate?

49.6% of resolved applications examined by Brieann R Johnston were allowed (1,033 resolved cases), compared with 35.5% across Art Unit 1718 over the last five years.

Does an interview help with examiner Brieann R Johnston?

This examiner's interview lift is +32.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brieann R Johnston take to allow a patent?

Applications allowed by Brieann R Johnston took 1,048 days on average from filing to allowance.

Which art unit does examiner Brieann R Johnston work in?

Brieann R Johnston examines applications in Art Unit 1718 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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