Prosecution Insights
Last updated: October 27, 2026

Elizabeth M Dahlburg, USPTO Patent Examiner

Listed by the USPTO as DAHLBURG, ELIZABETH M

Tech Center 2800 • Art Units: 1786 1789 2813 2815 2817

This examiner grants 52% of resolved cases

Analysis

DAHLBURG, ELIZABETH M is a Tech Center 2800 examiner in Art Unit 1786 with 200 resolved cases. The allowance rate is 51.5%, and the median time to allowance is 1697 days. Applicants should account for the recorded pendency when setting prosecution expectations and coordinating continuation or product-planning decisions.

The interview lift is 41.2%, showing a positive association between interviews and allowance outcomes in the profile data. A well-prepared interview may help focus prosecution on the relevant technical distinctions and reduce uncertainty around possible amendments.

The listed companies are Samsung Display Co., Ltd., Rohm and Haas Electronic Materials Korea Ltd., and LT Materials Co., Ltd. Womble Bond Dickinson US LLP, CANTOR COLBURN LLP, and BIRCH STEWART KOLASCH & BIRCH, LLP are the listed firms.

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

Performance Statistics

51.5%
Allow Rate
-16.5% vs TC avg
260
Total Applications
+41.2%
Interview Lift
1697
Avg Prosecution Days
Based on 200 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
12.7%
§102 Novelty
52.9%
§103 Obviousness
27.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18515929 ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18311575 LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18512662 ORGANIC LIGHT EMITTING ELEMENT AND DISPLAY DEVICE Non-Final OA LG DISPLAY CO., LTD.
18080363 ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME Non-Final OA LG DISPLAY CO., LTD.
18074194 ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME Non-Final OA LG Display Co., Ltd.
18556859 ORGANIC MOLECULES FOR OPTOELECTRONIC DEVICES Non-Final OA Samsung Display Co., Ltd.
18469108 LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME Non-Final OA Samsung Display Co., LTD.
18365098 CONDENSED CYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE CONDENSED CYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE Non-Final OA Samsung Display Co., Ltd.
18359008 LIGHT-EMITTING DEVICE INCLUDING ORGANOMETALLIC COMPOUND, ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE, AND THE ORGANOMETALLIC COMPOUND Non-Final OA Samsung Display Co., LTD.
18059410 ORGANIC ELECTROLUMINESCENT DEVICES COMPRISING HOST COMPOUNDS Final Rejection SAMSUNG DISPLAY CO., LTD.
18053152 LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE Non-Final OA Samsung Display Co., Ltd.
17963871 LIGHT EMITTING ELEMENT AND AMINE COMPOUND FOR THE SAME Non-Final OA Samsung Display Co., Ltd.
17945491 LIGHT EMITTING ELEMENT AND AMINE COMPOUND FOR THE SAME Non-Final OA Samsung Display Co., Ltd.
17697663 ELECTRON TRANSPORT COMPOSITION, LIGHT-EMITTING ELEMENT MANUFACTURED THROUGH THE SAME, AND METHOD OF MANUFACTURING THE LIGHT-EMITTING ELEMENT Non-Final OA Samsung Display Co., Ltd.
17558401 LIGHT-EMITTING DEVICE AND AN ELECTRONIC APPARATUS COMPRISING THE SAME Non-Final OA Samsung Display Co., Ltd.
17530779 QUANTUM DOT-CONTAINING MATERIAL, METHOD FOR PREPARING THE QUANTUM DOT-CONTAINING MATERIAL, COMPOSITION CONTAINING THE QUANTUM DOT-CONTAINING MATERIAL, AND LIGHT-EMITTING DEVICE INCLUDING THE QUANTUM DOT-CONTAINING MATERIAL Final Rejection Samsung Display Co., Ltd.
17318422 AMINE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME Non-Final OA Samsung Display Co., Ltd.
17239490 ORGANIC LIGHT-EMITTING DEVICE Non-Final OA SAMSUNG DISPLAY CO., LTD.
18031750 LIGHT-EMITTING MATERIALS AND LIGHT-EMITTING DEVICES Final Rejection BOE Technology Group Co., Ltd.
17633970 ELECTRONIC DEVICE Non-Final OA Merck Patent GmbH
17907878 LIGHT-EMITTING DEVICE, LIGHT-EMITTING APPARATUS, ELECTRONIC DEVICE AND LIGHTING DEVICE Final Rejection SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
17608213 LIGHT-EMITTING DEVICE, LIGHT-EMITTING APPLIANCE, DISPLAY DEVICE, ELECTRONIC APPLIANCE, AND LIGHTING DEVICE Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18209595 ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE Non-Final OA SAMSUNG SDI CO., LTD.
17640240 ORGANIC THIN FILM AND METHOD FOR PRODUCING ORGANIC THIN FILM, ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE, LIGHTING DEVICE, ORGANIC THIN FILM SOLAR CELL, PHOTOELECTRIC CONVERSION ELEMENT, THIN FILM TRANSISTOR, COATING COMPOSITION AND MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS Final Rejection NIPPON SHOKUBAI CO., LTD.
17592173 ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS Non-Final OA IDEMITSU KOSAN CO.,LTD.
18054209 INTERFACE LAYER DESIGN FOR EFFICIENT AND STABLE WHITE OLEDS Final Rejection ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
17639574 ORGANIC LIGHT EMITTING DEVICE Non-Final OA LG CHEM, LTD.
18062106 ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES Non-Final OA UNIVERSAL DISPLAY CORPORATION
18062195 ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES Non-Final OA UNIVERSAL DISPLAY CORPORATION
18365970 ORGANIC COMPOUNDS, MIXTURES, COMPOSITIONS, ORGANIC LIGHT-EMITTING DEVICES, AND DISPLAY PANELS Non-Final OA Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

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Frequently Asked Questions

What is examiner Elizabeth M Dahlburg's allowance rate?

51.5% of resolved applications examined by Elizabeth M Dahlburg were allowed (200 resolved cases), compared with 47.0% across Art Unit 1786 over the last five years.

Does an interview help with examiner Elizabeth M Dahlburg?

This examiner's interview lift is +41.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Elizabeth M Dahlburg take to allow a patent?

Applications allowed by Elizabeth M Dahlburg took 1,697 days on average from filing to allowance.

Which art unit does examiner Elizabeth M Dahlburg work in?

Elizabeth M Dahlburg examines applications in Art Unit 1786 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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