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Patent Examiner Vu A. Vu

Art Unit 2897 · Active Solid-State (Semiconductor) Devices & Manufacturing · Tech Center 2800 · 435 applications since 2021

✓ Favorable: easier than 75% of examiners● Free examiner data

Vu A. Vu is a USPTO patent examiner in Art Unit 2897 (Active Solid-State (Semiconductor) Devices & Manufacturing) who has examined 435 applications in filing years 2021–2025. Examiner Vu's allowance rate is 95.2%, above the 82.1% USPTO average; the examiner ranks easier than 75% of examiners. Applicants who held an examiner interview saw a 7.7 percentage-point lift in allowance in 2024.

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Data through March 2026 · Source: USPTO Patent Center (formerly PAIR) · Methodology

Overview

Free
Difficulty: Favorable
easier than 75% of examiners
Easier25th percentileHarder
Allowance rate vs peers
Examiner Vu95.2%
Art Unit 289795.8%
USPTO average82.1%
Allowance rate
95.2%
▲ USPTO avg 82.1%
Applications
435
filing years 2021–2025
First-action allowance
2.4%
allowed on OA #1
Abandoned
3.7%
share of applications
Avg office actions
1.3
USPTO avg 1.2
Days to first OA
629
▲ USPTO 589
RCE rate
8.3%
USPTO 14.1%
Interview rate
19.1%
USPTO 21.5%

Examiner details

  • Art unit2897 · Active Solid-State (Semiconductor) Devices & Manufacturing
  • Title / gradePrimary Patent Examiner · GS-14
  • Service13 years
  • Phone(571) 270-7467
  • Email[email protected]
  • LocationAlexandria, VA 22314
  • On office actionsVu, Vu A
Full signatory authority

Examiner Vu can allow an application without a supervisory sign-off, which is why an examiner interview can be decisive.

Examines (USPC classes)
257 · Active Solid-State Devices (Transistors, Diodes)438 · Semiconductor Device Manufacturing: Process372 · Coherent Light Generators

How to improve your odds with Examiner Vu

  • Interview results are mixed year to year. The largest measured lift was 7.7 points in 2024, but at least one year ran the other way; weigh the year-by-year table below.
  • Plan for the timeline. First office action averages 629 days vs the 589-day USPTO norm.
  • Expect a §102. Novelty is the most-issued rejection (307), and applicants overcame it 82.2% of the time.
  • The data favors an RCE here. Cases with an RCE allowed at 100.0% versus 91.7% without in 2024.
  • This docket has supported broader claims. With a 95.2% allowance rate, preserving breadth where the specification supports it has been viable.

Historical patterns from this examiner's past cases, shown for general information. This is not legal advice and does not predict the outcome of any specific application. Decisions about interviews, RCEs, and claim strategy should be made with a licensed patent attorney or agent.

Rejection patterns & how they get overcome

Free
§102 Novelty307 issued · 82.2% overcome
§103 Obviousness305 issued · 87.4% overcome
§112 Disclosure88 issued · 95.8% overcome
Arguments that overcame §102 rejections🔒 Members

REMARKS: Applicant respectfully traverses the rejection under 35 U.S.C. §102. The cited reference fails to disclose, expressly or inherently, each and every element of the claim as arranged in the claim, and in particular does not disclose at least the limitation directed to ...

Read every winning §102 argumentFull REMARKS, amendments, claim trees & redlines from the file wrappers
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RCE behavior

Allowance after a Request for Continued Examination versus without one, per year. Use it to judge whether an RCE is worth the cost in front of Examiner Vu.

YearRCE rateAllowance w/ RCEAllowance w/oDelta
202418.8%100.0%91.7%+8.3pp
20233.5%100.0%94.4%+5.6pp
202210.1%100.0%96.2%+3.8pp
20219.7%100.0%93.9%+6.1pp

Recent outcomes

Free🔒 Case detail: members
App #TitleOutcomeOAsArguments & redline
17/915335Method for Manufacturing Semiconductor Element, Semiconductor Element Body, and Semiconductor Element SubstratePatented1🔒 View
18/115043Carrier Plate for Preparing Package Substrate, Package Substrate Structure and Manufacturing Method ThereofPatented1🔒 View
17/939325Semiconductor Device and Semiconductor Device Manufacturing MethodPatented1🔒 View
18/329588Semiconductor Device and Method of Fabricating the SamePatented2🔒 View
See all 435 dispositions with full file-wrapper detailOffice action text, attorney arguments, amendments & claim-by-claim track changes
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Technology & expertise

Semiconductor devicesTransistors & diodesDevice fabricationIntegrated circuitsTop CPC: H01L · H10K · G02F
About this examiner. Vu A. Vu has examined 435 applications in Art Unit 2897 (Active Solid-State (Semiconductor) Devices & Manufacturing, Tech Center 2800). The docket skews toward semiconductor devices, transistors & diodes, device fabrication.

Frequently asked questions

What is Examiner Vu A. Vu's allowance rate?
Examiner Vu's allowance rate is 95.2%, compared with the 82.1% USPTO average and 95.8% for Art Unit 2897, which places Examiner Vu easier than 75% of examiners.
Is Examiner Vu a favorable examiner?
Relatively, yes. Examiner Vu ranks easier than 75% of examiners, in the 25th difficulty percentile, with a 95.2% allowance rate.
Do examiner interviews help with Examiner Vu?
The data says yes. Interviewed applications allowed 7.7 percentage points higher than non-interviewed ones in 2024 (100.0% versus 92.3%).
What is Examiner Vu's most common rejection?
§102 novelty, issued 307 times in the data. Applicants overcame it 82.2% of the time, usually by amendment plus argument.
Is an RCE worth filing with Examiner Vu?
Often, yes — every measured year ran the same way. In 2024, applications with an RCE allowed at 100.0% versus 91.7% without one.
How long until the first office action from Examiner Vu?
About 629 days on average, versus the 589-day USPTO norm.
How do I contact Examiner Vu A. Vu?
Examiner Vu can be reached by phone at (571) 270-7467 or by email at [email protected]. The examiner's direct line also appears on the first page of every office action.

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Statistics are computed by Boundly Prosecution Intel from USPTO Patent Center (formerly PAIR) file wrappers for filing years 2021–2025, updated monthly. Allowance rate (sometimes called grant rate) is the share of disposed applications that issued as patents. Historical data is provided for informational purposes only; past examiner behavior does not guarantee future outcomes, and nothing here is legal advice or a substitute for advice from a licensed patent attorney or agent. Are you Vu A. Vu, or see an error? Request a correction.