Prosecution Insights
Last updated: October 26, 2026

Shawn X Gu, USPTO Patent Examiner

Listed by the USPTO as GU, SHAWN X

Tech Center 2100 • Art Units: 2138 2139 2188 2189

This examiner grants 92% of resolved cases

Analysis

Shawn X. Gu is a USPTO patent examiner in tech center 2100 and art unit 2138. The profile covers 763 resolved cases, with an allowance rate of 92.1% and a median of 800 days to allowance. The interview lift is 16.4%, indicating a measurable association between interviews and allowance outcomes. The 800-day median supplies a timing reference for applicants, while the 92.1% allowance rate is the principal outcome signal in this substantial record.

The listed companies are Lodestar Licensing Group LLC and Pure Storage Inc. No firms are listed. The company information identifies the organizations appearing most often in the available docket, but the absence of listed firms means the profile does not identify a representative concentration.

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

Performance Statistics

92.1%
Allow Rate
+37.1% vs TC avg
769
Total Applications
+16.4%
Interview Lift
800
Avg Prosecution Days
Based on 763 resolved cases, 2023–2026

Rejection Statute Breakdown

7.9%
§101 Eligibility
36.1%
§102 Novelty
28.8%
§103 Obviousness
19.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19251315 FORMING AVAILABLE STORAGE UNITS HAVING DIFFERING EFFECTIVE CAPACITIES Non-Final OA PURE STORAGE, INC.

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Frequently Asked Questions

What is examiner Shawn X Gu's allowance rate?

92.1% of resolved applications examined by Shawn X Gu were allowed (763 resolved cases), compared with 81.9% across Art Unit 2138 over the last five years.

Does an interview help with examiner Shawn X Gu?

This examiner's interview lift is +16.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Shawn X Gu take to allow a patent?

Applications allowed by Shawn X Gu took 800 days on average from filing to allowance.

Which art unit does examiner Shawn X Gu work in?

Shawn X Gu examines applications in Art Unit 2138 in Tech Center 2100 (Computing & Software).

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