ExamPat

The intelligence layer
for patent reexaminations

Examiner tendencies. Outcome probabilities. Timeline benchmarks.
The reexam intelligence you wish you had.

11,000+

Reexams Tracked

410K+

Events

100+

Examiners Profiled

74%

Filing Surge in 2025

Stay ahead of every reexam development

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Examiner Intelligence

Know your examiner
before the first Office Action drops

Every examiner profiled with certification rates, average pendency, office action counts, SNQ denial rates, and appeal outcomes. Filter by art unit, technology area, or time period.

  • ◆Grant & rejection rates per examiner
  • ◆Average pendency and OA count benchmarks
  • ◆Historical trends by art unit assignment
CRU Examiner ProfilesLive Data
ExaminerUnitCasesPend.Cert.SNQ Den.
Engle, Patricia39919017mo781
Jastrzab, Jeffrey39938115mo792
Diamond, Alan39917118mo583
Stormer, Russell39936817mo670
Mckane, Elizabeth39916715mo520
Annual Filing Trends
AnnualQuarterly
'13'14'15'16'17'18'19'20'21'22'23'24'25
Prior Years
2025

Filing Trends

Track the reexam
resurgence in real time

Filings surged 74% in 2025, approaching all-time highs. See the data broken down by technology area, CPC class, art unit, or requester type.

  • ◆Annual & quarterly period toggling
  • ◆Stacked breakdowns by tech area or CPC class
  • ◆Requester type analysis (3rd party vs. patent owner)

Outcomes & Pendency

Every milestone measured

Outcome Distribution
Certified75%
Pending21%
SNQ Denied3%
Terminated1%

Breakdown by certificate outcome, technology area, and requester type.

Pendency Distribution
20d33d44d62d89dFiling → SNQ Determination (days)

33d

25th pct

44d

Median

62d

75th pct

Event-to-event timing: Filing→SNQ, and more.

Full Analytics Suite

12 analytics modules.
One unified platform.

Every angle of ex parte reexamination covered, from macro filing trends to individual outcomes.

▤

Filing Trends

Annual & quarterly filings by tech area, CPC, art unit, requester type

◉

Outcome Analytics

Certificate outcomes with Sankey flow diagrams and tech area breakdowns

◫

Pendency Intelligence

Whisker plots for 9+ event-to-event timing pairs with distribution histograms

▦

Technology Breakdown

Outcomes, pendency, and volume by L1/L2 technology classification

⎘

Office Actions

OA count distributions, type breakdowns, and issuance timelines

⇅

PTAB Appeals

Appeal rates, PTAB outcomes, affirm/reverse rates, and timing analysis

⚖

Federal Circuit

CAFC appeal rates, outcome distributions, and decision timing

✓

SNQ Analysis

Substantial new question grant rates, per-reexam distributions

✎

Claim Changes

Average claims confirmed, amended, canceled, and newly added per certificate

☷

Petitions

Petition type distributions, grant rates, and decision timing

⇶

Related Proceedings

Patents with multiple reexams and cross-proceeding relationships

⛧

Law Firm Rankings

Firm-level benchmarks: case volume, pendency, certification rates

Built For

Patent professionals who
refuse to fly blind

IP Litigators

Assess patent vulnerability, predict reexam timelines, and build data-backed strategies for your clients.

Patent Owners

Know the odds before a reexam is filed against you. Benchmark your examiner, understand claim risk.

Corporate IP Teams

Monitor competitor patents, evaluate acquisition targets, and manage portfolio-level reexam risk.

Licensing & Valuation

Quantify patent strength with reexam survival data. Data-driven royalty negotiations.

Stop guessing.
Start knowing.

The reexam resurgence won't wait.
Get the data advantage before your competitors do.

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