Prosecution Insights
Last updated: October 02, 2026

Examiner: INSLER, ELIZABETH

Tech Center 3700 • Art Units: 1774 1792 3774

This examiner grants 67% of resolved cases

Analysis

Elizabeth Insler has managed 544 resolved cases within Art Unit 1774 of Tech Center 3700. Her allowance rate of 66.9% suggests a balanced approach to examination, where approximately two-thirds of applications reach a grant. A key metric for practitioners is the 25.4% interview lift, which demonstrates that engaging in verbal dialogue significantly increases the probability of an allowance. This lift is a critical tool for overcoming rejections in her docket, as it provides a substantial boost over the baseline allowance rate.

The median days to allowance for her cases is 1127. This duration indicates that while she is approachable through interviews, the overall timeline to reach a final resolution is substantial. Practitioners should factor this 1127-day median into their long-term prosecution strategies and client expectations. The 66.9% allowance rate, combined with the 25.4% lift, suggests that while she is not the most lenient examiner, she is highly responsive to the interview process. With 544 resolved cases, these metrics offer a reliable guide for navigating her specific examination style in Tech Center 3700.

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

Performance Statistics

66.9%
Allow Rate
-3.1% vs TC avg
585
Total Applications
+25.4%
Interview Lift
1127
Avg Prosecution Days
Based on 544 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
30.9%
§102 Novelty
39.1%
§103 Obviousness
27.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18731380 TRUCK MIXER Non-Final OA ZF Friedrichshafen AG
18287697 Device and Method for Mixing Fluids and for Producing a Fluid Mixture Non-Final OA Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
18380785 RECHARGEABLE BATTERY AND POUCH FORMING DEVICE THEREOF Non-Final OA SAMSUNG SDI CO., LTD.
18987656 Micro-Puree Machine With Plunger Air Pressure Release Mechanism Non-Final OA SharkNinja Operating LLC
18379501 DOOR ASSEMBLY FOR A FOOD PROCESSING MIXING BOWL AND RELATED METHODS Non-Final OA SharkNinja Operating LLC
18232521 FOOD PROCESSING APPLIANCE HAVING AN ELECTRICAL HUB CONNECTION Final Rejection WHIRLPOOL CORPORATION
18174914 APPLIANCE LID ASSEMBLY Non-Final OA WHIRLPOOL CORPORATION
17985524 CONTAINER DETECTION SYSTEM FOR A COUNTERTOP APPLIANCE Non-Final OA WHIRLPOOL CORPORATION
18502666 SYSTEMS FOR SUPPRESSING THERMAL RUNAWAY IN BATTERY CELLS Final Rejection GM GLOBAL TECHNOLOGY OPERATIONS LLC
18375085 STATIC MIXING NOZZLES FOR FIBER RANDOMIZATION IN LARGE SCALE ADDITIVE MANUFACTURING APPLICATIONS Non-Final OA UT-Battelle, LLC
18431062 WIPER ATTACHMENT LOCATING ON A STAND MIXER APPLIANCE Final Rejection Haier US Appliance Solutions, Inc.
18499419 DATA EVALUATION IN A STAND MIXER APPLIANCE Final Rejection Haier US Appliance Solutions, Inc.
18499503 ACTIVE STIRRING IN A STAND MIXER APPLIANCE Non-Final OA Haier US Appliance Solutions, Inc.
18546962 BLENDER WITH ISOLATED SOUND ENCLOSURE Final Rejection Sunbeam Products, Inc.
18390027 Modular Paddle with Replaceable Wear Resistant Element Non-Final OA Kennametal Inc.
18029887 IMPROVED STATIC MIXING TIP Final Rejection MEDMIX SWITZERLAND AG
17920413 METHOD FOR LAYER-BY-LAYER DEPOSITION OF CONCRETE Final Rejection Universiteit Gent
18281396 KITCHEN APPLIANCE Final Rejection DE'LONGHI BRAUN HOUSEHOLD GMBH

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