Prosecution Insights
Last updated: October 26, 2026

Helen Shibru, USPTO Patent Examiner

Listed by the USPTO as SHIBRU, HELEN

Tech Center 3700 • Art Units: 2484 2621 3772

This examiner grants 59% of resolved cases

Analysis

SHIBRU, HELEN has 781 resolved cases in Tech Center 3700 and Art Unit 2484. The allowance rate is 59.2%, the interview lift is 3.4%, and the median time to allowance is 1425 days. The record shows a moderate allowance rate, little interview-related movement, and a lengthy prosecution timeline.

NEC Corporation, Adeia Technologies Inc., and LG Electronics Inc. are the leading listed companies. HG Law LLP (Adeia), LEE, HONG, DEGERMAN, KANG & WAIMEY, and Treyz Law Group are the leading listed firms. Practitioners may obtain limited benefit from relying on interviews alone, given the 3.4% lift, and should emphasize written prosecution strategy. The 1425-day median warrants early attention to pendency and continuation decisions.

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

Performance Statistics

59.2%
Allow Rate
-10.8% vs TC avg
802
Total Applications
+3.4%
Interview Lift
1425
Avg Prosecution Days
Based on 781 resolved cases, 2023–2026

Rejection Statute Breakdown

7.7%
§101 Eligibility
28.4%
§102 Novelty
45.6%
§103 Obviousness
9.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19106751 MOVABLE TV AND CONTROL METHOD THEREOF Final Rejection LG ELECTRONICS INC.
18644222 Recording Content in a Head-mounted Device Non-Final OA Apple Inc.
17702532 IMAGE PROCESSING APPARATUS THAT CARRIES OUT NOISE REDUCTION PROCESS WHEN PLAYING VIDEO, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM Final Rejection CANON KABUSHIKI KAISHA
18978654 VIDEO PROCESSING METHOD, APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
19229035 VIDEO PROCESSING DEVICE, VIDEO PROCESSING METHOD, AND RECORDING MEDIUM Non-Final OA NEC Corporation
19001793 INFORMATION PROCESSING APPARATUS, CONTROL METHOD, AND PROGRAM Non-Final OA NEC Corporation
19270662 COMMUNICATION TERMINAL, IMAGE COMMUNICATION SYSTEM, AND METHOD OF DISPLAYING IMAGE Non-Final OA Ricoh Company, Ltd.
18853573 TEMPORAL INTRA MODE PREDICTION Non-Final OA INTERDIGITAL MADISON PATENT HOLDINGS, SAS

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Frequently Asked Questions

What is examiner Helen Shibru's allowance rate?

59.2% of resolved applications examined by Helen Shibru were allowed (781 resolved cases), compared with 65.7% across Art Unit 2484 over the last five years.

Does an interview help with examiner Helen Shibru?

This examiner's interview lift is +3.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Helen Shibru take to allow a patent?

Applications allowed by Helen Shibru took 1,425 days on average from filing to allowance.

Which art unit does examiner Helen Shibru work in?

Helen Shibru examines applications in Art Unit 2484 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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