Andrew J Fischer

USPTO Patent Examiner·Active 2023

Andrew J Fischer is a USPTO patent examiner who has handled 1 ex parte reexamination in 2023. These reexams concentrate in Physics & Instruments. ExamPat indexes the full prosecution record for each of these cases, including office-action grounds, certificate outcomes, and downstream PTAB and federal-circuit decisions.

Filings by year

Technology mix

Physics & Instruments1 (100%)

Compare against all examiners

Eight side-by-side metrics: case volume, pendency, OAs per reexam, rejection mix, SNQ denial rate, certification rate, and PTAB appeal rate, with a Δ column showing where this examiner runs higher or lower than the corpus.

Average and median pendency, both for this examiner and the corpus
Rejection basis split (102 / 103 / 112) head-to-head
Certification, SNQ denial, and PTAB appeal rates

Certificate outcome distribution

How this examiner's certificates split across the six possible outcomes: all claims confirmed, confirmed with amendment, confirmed with new claims, mixed, or all claims canceled. Includes share comparison to the corpus distribution.

Count and share for each of the six outcome buckets
Δ vs. corpus distribution in percentage points
Useful for setting realistic patent-owner expectations

Event-to-event timing

Median time for this examiner's cases at each prosecution stage — filing to first office action, filing to NIRC, and filing to certificate — with corpus comparison and sample size.

Median in months per transition
Side-by-side with the corpus median
n column showing how many of this examiner's cases completed each transition

Recent reexaminations (1)

Control #	Filed	Patent	Title	Pendency	Status
90/019,148	Feb 2, 2023	11,221,440	Systems and Methods for Illumination of Medical Tubing	14 mo	Closed

Other USPTO reexam examiners

Get the full reexam analytics

Compare Andrew J Fischer against the full corpus, see the certificate-outcome split, drill into event timing, filter the case list, and export. Free to sign up.