Prosecution Insights
Last updated: October 02, 2026

Examiner: HANCOCK, DIANA ROBERT

Tech Center 2800 • Art Units: 2852 2862

This examiner grants 81% of resolved cases

Analysis

Diana Robert Hancock is an examiner in Art Unit 2852 within Tech Center 2800. The examiner has 662 resolved cases and an allowance rate of 81.3 percent. This substantial case history provides a reliable baseline for prosecution expectations in this semiconductor or electronic technology area. The 81.3 percent rate indicates a high probability of success for applications reaching a final disposition.

The median time to reach an allowance is 789 days. This duration reflects an efficient path to grant, which is a key consideration for applicants managing their patent portfolios. The 789-day figure serves as a benchmark for the typical pendency of successful applications. Understanding this timeline helps practitioners set realistic expectations for their clients regarding the speed of the examination process in Art Unit 2852.

The data indicates an interview lift of 6.0 percent. This positive lift suggests that direct engagement with the examiner is an effective strategy for overcoming rejections and moving toward a grant. In an environment with an 81.3 percent allowance rate, a 6.0 percent increase in the probability of success following an interview is a meaningful tactical advantage. Practitioners should consider scheduling a formal discussion to resolve outstanding issues and further improve their odds of an allowance.

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

Performance Statistics

81.3%
Allow Rate
+13.3% vs TC avg
671
Total Applications
+6.0%
Interview Lift
789
Avg Prosecution Days
Based on 662 resolved cases, 2023–2026

Rejection Statute Breakdown

3.7%
§101 Eligibility
23.8%
§102 Novelty
45.9%
§103 Obviousness
15.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18768674 PLASTIC PART AND METHOD OF PROVIDING RECYCLING INFORMATION Non-Final OA RICOH COMPANY, LTD.
18895990 ADAPTER DEVICE, IMAGING APPARATUS, AND ACCESSORY Non-Final OA CANON KABUSHIKI KAISHA
18924454 CAMERA ACCESSORY Non-Final OA NIKON CORPORATION
18580072 INERTIAL MEASUREMENT DEVICE, METHOD OF OPERATING INERTIAL MEASUREMENT DEVICE, IMAGING DEVICE, DISPLAY DEVICE, AND PROGRAM Final Rejection Sony Group Corporation
18789174 METHOD AND SYSTEM FOR ESTIMATING ELECTRODE DENSITY IN SECONDARY BATTERIES Non-Final OA SAMSUNG SDI CO., LTD.
18834382 INSPECTION SYSTEM AND INSPECTION METHOD Non-Final OA Tsinghua University
18685800 METHOD FOR QUANTITATIVELY DETERMINING CURRENT OPERATING-STATE-DEPENDENT VARIABLES, MORE PARTICULARLY THE CURRENT CONVEYED VOLUMETRIC FLOW RATE, OR A FAN, AND FAN FOR APPLICATION OF THE METHOD Final Rejection ZIEHL-ABEGG SE

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