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Patent Examiner Zaihan Jiang

Art Unit 2488 · Video Coding, Compression & Camera Systems · Tech Center 2400 · 394 applications filed 2021–2026

✓ Favorable · easier than 74% of examiners● Free examiner data

Zaihan Jiang is a USPTO patent examiner in Art Unit 2488 (Video Coding, Compression & Camera Systems) with 394 applications from filing years 2021–2026. Examiner Jiang's allowance rate is 91.6%, above the 84.3% USPTO average for applications filed in the same years. The examiner ranks easier than 74% of examiners. In 2021, decided applications with an examiner interview were allowed 28.6 percentage points more often than those without.

Draft a response to Examiner JiangSee the strategy data ↓

Data through October 2026 from USPTO Patent Center (formerly PAIR) · Methodology

Overview

Free
Difficulty · Favorable
easier than 74% of examiners
Easier25th percentileHarder
Allowance rate vs peers
Examiner Jiang91.6%
Art Units 2423 and 248892.0%
USPTO average84.3%
Allowance rate
91.6%
▲ USPTO avg 84.3%
Applications
394
filing years 2021–2026
First-action allowance
6.1%
patented with no rejection
Abandoned
6.6%
share of applications
Avg office actions
1.3
USPTO avg 1.1
Days to first OA
438
▼ USPTO 589
RCE rate
22.6%
USPTO 15.8%
Interview rate
63.7%
USPTO 23.4%

Examiner details

  • Art unit2488 · Video Coding, Compression & Camera Systems
  • Title / gradePrimary Patent Examiner · GS-14
  • Service12 years
  • PhoneOn each office action
  • Email[email protected]
  • In USPTO recordsJIANG, ZAIHAN
Full signatory authority

Examiner Jiang can allow an application without a supervisory sign-off.

Examines (USPC classes)
375 · Pulse or Digital Communications348 · Television370 · Multiplex Communications

How to improve your odds with Examiner Jiang

  • The data favors an interview. Interviewed cases were allowed more often in all 4 measured years, by 6.4 to 28.6 points.
  • The timeline runs ahead of the norm. First office action averages 438 days vs the 589-day USPTO norm.
  • Expect a §103. Obviousness is the most-issued rejection (235), and applicants overcame it 66.0% of the time.
  • The data favors an RCE here. Cases with an RCE were allowed more often in all 4 measured years, by 4.3 to 14.8 points.

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
§101 Eligibility31 issued · 90.0% overcome
§102 Novelty50 issued · 88.6% overcome
§103 Obviousness235 issued · 66.0% overcome
§112 Definiteness & disclosure133 issued · 83.0% overcome
How applicants traverse §103 rejections🔒 Members

Of the 105 winning responses to Examiner Jiang's §103 rejections that Boundly has classified, 96 (91%) amended the claims and argued, 5 amended without arguing, and 4 argued without amending. Each winning response, with its arguments and claim amendments, is in the file wrapper.

Read the winning §103 argumentsFull 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 Jiang.

YearRCE rateAllowance w/ RCEAllowance w/oDelta
202413.3%100.0%95.7%+4.3pp
202321.8%100.0%85.2%+14.8pp
202225.8%93.8%84.8%+9.0pp
202147.1%100.0%87.0%+13.0pp

Recent outcomes

Free🔒 Case detail for members
App #TitleOutcomeOAsArguments & redline
19/229391Method and Apparatus for Efficiently Coding Residual BlocksPatented0🔒 View
19/170489Focus Indication for Manual Focus AdjustmentsPatented0🔒 View
18/914492Motion Refinement and Weighted PredictionPatented2🔒 View
18/607229Power Control Schemes for Simultaneous Uplink TransmissionsPatented1🔒 View
See all 394 applications with full file-wrapper detailOffice action text, attorney arguments, amendments & claim-by-claim track changes
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Art Unit 2488 technology

Video coding & compressionVehicle & surveillance camerasPanoramic & 360-degree imagingImage recognition & analysisTop CPC H04N · G06V · G06T
About this examiner. Zaihan Jiang examines in Art Unit 2488 (Video Coding, Compression & Camera Systems, Tech Center 2400). The art unit's docket includes video coding & compression, vehicle & surveillance cameras, panoramic & 360-degree imaging, and image recognition & analysis.

Frequently asked questions

What is Examiner Zaihan Jiang's allowance rate?
Examiner Jiang's allowance rate is 91.6%, compared with 84.3% across the USPTO and 92.0% in Art Units 2423 and 2488 for applications filed in the same years. That rate ranks Examiner Jiang easier than 74% of examiners.
Is Examiner Jiang a favorable examiner?
Relatively, yes. Examiner Jiang ranks easier than 74% of examiners, in the 25th difficulty percentile (favorable). Examiner Jiang has a 91.6% allowance rate versus 84.3% across the USPTO and 92.0% in Art Units 2423 and 2488, 1.3 office actions per application versus 1.1, and an RCE rate of 22.6% versus 15.8% across the USPTO, for applications filed in the same years.
Do examiner interviews help with Examiner Jiang?
In this examiner's record, yes. Decided applications with an interview were allowed more often in each of the 4 measured years, by 6.4 to 28.6 percentage points. In 2021, 100.0% of decided applications with an interview were allowed, versus 71.4% of those without.
What is Examiner Jiang's most common rejection?
§103 obviousness, issued 235 times in the data. Applicants overcame it 66.0% of the time. Of the 105 winning responses Boundly has classified, 96 amended the claims and argued.
Is an RCE worth filing with Examiner Jiang?
In this examiner's record, yes. Decided applications with an RCE were allowed more often in each of the 4 measured years, by 4.3 to 14.8 percentage points. In 2021, 100.0% of decided applications with an RCE were allowed, versus 87.0% of those without one.
How long until the first office action from Examiner Jiang?
About 438 days on average, versus 589 days across the USPTO for applications filed in the same years.
How do I contact Examiner Zaihan Jiang?
Examiner Jiang can be reached by email at [email protected]. The examiner's direct line is listed at the end of the examiner's office actions.

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Statistics are computed by Boundly Prosecution Intel from USPTO Patent Center (formerly PAIR) file wrappers for filing years 2021–2026, refreshed regularly. Allowance rate (sometimes called grant rate) is the share of disposed applications that issued as patents. Office actions here are non-final and final rejections, so restriction requirements and allowances are not counted. USPTO benchmarks are weighted to each examiner's mix of filing years, and art-unit benchmarks to the art units and filing years of the examiner's own applications, so they compare like for like. The difficulty percentile ranks examiners, each counted once, so it can point the other way from the USPTO average, which counts applications. See how each number is computed. The year-by-year interview and RCE tables show up to four recent filing years, leaving out the newest one and any year with fewer than ten applications or five decided applications on either side. 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 Zaihan Jiang, or see an error? Request a correction.