Prosecution Insights
Last updated: October 27, 2026

Zeeshan Mahmood Shaikh, USPTO Patent Examiner

Listed by the USPTO as SHAIKH, ZEESHAN MAHMOOD

Tech Center 2600 • Art Units: 2658

This examiner grants 58% of resolved cases

Analysis

SHAIKH, ZEESHAN MAHMOOD works in Tech Center 2600 and Art Unit 2658, with 50 resolved cases. The allowance rate is 58.0%, and the median time to allowance is 1166 days. The interview lift is 48.7%, indicating a strong association between interviews and allowance outcomes. The limited case volume means the pattern is still developing, and no art unit baseline is available for a broader comparison.

The leading companies are NEC Corporation, ORACLE INTERNATIONAL Corporation, and Nokia Corporation. The principal firms are Alleman Hall LLP, DUANE MORRIS LLP - San Diego, and FOLEY & LARDNER LLP. Counsel may want to prioritize examiner interviews while maintaining a clear written record of technical distinctions and claim amendments. The median timing supports planning for a prosecution path that may require sustained attention before allowance.

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

Performance Statistics

58.0%
Allow Rate
-4.0% vs TC avg
79
Total Applications
+48.7%
Interview Lift
1166
Avg Prosecution Days
Based on 50 resolved cases, 2023–2026

Rejection Statute Breakdown

27.8%
§101 Eligibility
17.4%
§102 Novelty
44.4%
§103 Obviousness
4.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18627860 LLM FINE-TUNING FOR TEXT SUMMARIZATION Non-Final OA ORACLE INTERNATIONAL CORPORATION
18985387 INFORMATION PROCESSING APPARATUS, ANALYSIS METHOD, AND RECORDING MEDIUM Non-Final OA NEC Corporation
19041829 TECHNIQUES FOR LARGE LANGUAGE MODEL PROMPT GROUNDING Non-Final OA Salesforce, Inc.
18728919 EFFICIENT LOUDSPEAKER SURFACE SEARCH FOR MULTICHANNEL LOUDSPEAKER SYSTEMS Final Rejection NOKIA TECHNOLOGIES OY
19009733 Training method and apparatus for large models Non-Final OA Alipay (Hangzhou) Information Technology Co., Ltd.
18164373 GENERATING USER-SPECIFIC SYNTHETIC CONTENT UTILIZING MACHINE LEARNING WITH USER CREATED CONTENT ITEMS Final Rejection Dropbox, Inc.

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Frequently Asked Questions

What is examiner Zeeshan Mahmood Shaikh's allowance rate?

58.0% of resolved applications examined by Zeeshan Mahmood Shaikh were allowed (50 resolved cases), compared with 65.3% across Art Unit 2658 over the last five years.

Does an interview help with examiner Zeeshan Mahmood Shaikh?

This examiner's interview lift is +48.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Zeeshan Mahmood Shaikh take to allow a patent?

Applications allowed by Zeeshan Mahmood Shaikh took 1,166 days on average from filing to allowance.

Which art unit does examiner Zeeshan Mahmood Shaikh work in?

Zeeshan Mahmood Shaikh examines applications in Art Unit 2658 in Tech Center 2600 (Communications).

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