Prosecution Insights
Last updated: October 27, 2026

Ilana L Spar, USPTO Patent Examiner

Listed by the USPTO as SPAR, ILANA L

Tech Center 3600 • Art Units: 2622 2629 2696 3600 3622 3682

This examiner grants 46% of resolved cases

Analysis

SPAR, ILANA L works in tech center 3600 and art unit 2622. The profile records 363 resolved cases, an allowance rate of 46.0%, and a median of 1322 days to allowance. The allowance rate reflects a demanding record with non-allowance outcomes forming a substantial share, while the timing figure indicates an extended prosecution process.

The interview lift is 27.7%, supporting interviews as a potentially useful tool for improving prosecution outcomes. Sony Group Corporation, Beijing Zitiao Network Technology Co., Ltd., and Snap Inc. are the principal companies. The leading firms are Astute IP Law Group, BLANK ROME LLP, and Chrisman Gallo Tochtrop LLC. The case volume provides a meaningful base for examiner-focused preparation.

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

Performance Statistics

46.0%
Allow Rate
-6.0% vs TC avg
389
Total Applications
+27.7%
Interview Lift
1322
Avg Prosecution Days
Based on 363 resolved cases, 2023–2026

Rejection Statute Breakdown

12.8%
§101 Eligibility
21.4%
§102 Novelty
51.7%
§103 Obviousness
8.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18613260 APPARATUS AND METHODS FOR VIDEO GAMES Final Rejection Sony Interactive Entertainment Inc.
18844092 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND RECORDING MEDIUM Non-Final OA Sony Group Corporation
17969957 METHOD AND SYSTEM FOR IMPROVING TIME SERIES FORECASTING WITH MISSING AND NOISY DATA Final Rejection Verizon Patent and Licensing Inc.

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Frequently Asked Questions

What is examiner Ilana L Spar's allowance rate?

46.0% of resolved applications examined by Ilana L Spar were allowed (363 resolved cases), compared with 70.9% across Art Unit 2622 over the last five years.

Does an interview help with examiner Ilana L Spar?

This examiner's interview lift is +27.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ilana L Spar take to allow a patent?

Applications allowed by Ilana L Spar took 1,322 days on average from filing to allowance.

Which art unit does examiner Ilana L Spar work in?

Ilana L Spar examines applications in Art Unit 2622 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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