Prosecution Insights
Last updated: October 26, 2026

David C Comstock, USPTO Patent Examiner

Listed by the USPTO as COMSTOCK, DAVID C

Tech Center 3700 • Art Units: 3733 3773

This examiner grants 87% of resolved cases

Performance Statistics

86.6%
Allow Rate
+16.6% vs TC avg
1,555
Total Applications
-8.3%
Interview Lift
1021
Avg Prosecution Days
Based on 1525 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
34.5%
§102 Novelty
39.6%
§103 Obviousness
10.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19086469 DEVICES, SYSTEMS, AND METHODS FOR MEDICAL LIGHTING Non-Final OA Boston Scientific Scimed, Inc.
19246176 INTERVERTEBRAL SPINAL IMPLANT Non-Final OA GLOBUS MEDICAL, INC.
19217618 INTERVERTEBRAL SPINAL IMPLANT Non-Final OA GLOBUS MEDICAL, INC.
19093851 ORTHOPEDIC FIXATION DEVICES AND METHODS OF INSTALLATION THEREOF Final Rejection GLOBUS MEDICAL, INC.
19055209 DUAL LOCKING POLYAXIAL SCREW HEAD Non-Final OA GLOBUS MEDICAL, INC.

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Frequently Asked Questions

What is examiner David C Comstock's allowance rate?

86.6% of resolved applications examined by David C Comstock were allowed (1,525 resolved cases), compared with 47.5% across Art Unit 3733 over the last five years.

Does an interview help with examiner David C Comstock?

This examiner's interview lift is -8.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David C Comstock take to allow a patent?

Applications allowed by David C Comstock took 1,021 days on average from filing to allowance.

Which art unit does examiner David C Comstock work in?

David C Comstock examines applications in Art Unit 3733 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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