Prosecution Insights
Last updated: October 26, 2026

Bob Zadeh, USPTO Patent Examiner

Listed by the USPTO as ZADEH, BOB

Tech Center 3700 • Art Units: 2881 3754

This examiner grants 77% of resolved cases

Analysis

ZADEH, BOB is a USPTO patent examiner in tech center 3700 and art unit 2881. The profile records 805 resolved cases, a 76.9% allowance rate, and a median of 773 days to allowance. The case volume provides a substantial basis for reviewing prosecution patterns, while the allowance figure indicates that most resolved cases reached allowance.

The interview lift is 38.7%, showing a strong positive association between interviews and allowance outcomes in the available record. Kara Water Inc., Modern Planet Inc., and Ficosa Automotive S L U are the listed companies. The listed firms are CANTOR COLBURN LLP, Brown, Winick, Graves, Gross, Baskerville, and COOLEY LLP. Practitioners may consider interview preparation an important part of response planning for matters in art unit 2881.

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

Performance Statistics

76.9%
Allow Rate
+6.9% vs TC avg
825
Total Applications
+38.7%
Interview Lift
773
Avg Prosecution Days
Based on 805 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
26.5%
§102 Novelty
45.0%
§103 Obviousness
25.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18853099 MIXER FOR MIXING AT LEAST TWO MATERIALS AND MIXING AND DISPENSING ASSEMBLY Non-Final OA medmix Switzerland AG

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Bob Zadeh's allowance rate?

76.9% of resolved applications examined by Bob Zadeh were allowed (805 resolved cases), compared with 69.6% across Art Unit 2881 over the last five years.

Does an interview help with examiner Bob Zadeh?

This examiner's interview lift is +38.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Bob Zadeh take to allow a patent?

Applications allowed by Bob Zadeh took 773 days on average from filing to allowance.

Which art unit does examiner Bob Zadeh work in?

Bob Zadeh examines applications in Art Unit 2881 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month