Prosecution Insights
Last updated: October 25, 2026

David C Mellon, USPTO Patent Examiner

Listed by the USPTO as MELLON, DAVID C

Tech Center 6200 • Art Units: 1700 1733 1759 1765 1777 1796 1797 1798 6202 6212

This examiner grants 66% of resolved cases

Analysis

David C. Mellon is an examiner in Art Unit 1700 within Tech Center 6200. He has managed a total of 830 resolved cases. His allowance rate is 66.4 percent, and the median days to allowance for his cases is 1081. These metrics offer a clear view of the prosecution environment for applicants in this unit.

The data indicates an interview lift of 17.3 percent. This suggests that while the base allowance rate is 66.4 percent, engaging in an interview can provide a meaningful increase in the likelihood of a grant. Firms such as Flash Intellectual Property, Inc. and INSKEEP INTELLECTUAL PROPERTY GROUP, INC may find this information useful when deciding whether to request an interview.

Top companies in his docket include Zhejiang Pushkang Biotechnology Co. Ltd. and Sangair AB. With 830 resolved cases, the examiner maintains a consistent presence in his tech center. The median days to allowance of 1081 is a key factor for these companies to consider when planning their intellectual property portfolios.

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

Performance Statistics

66.4%
Allow Rate
+6.4% vs TC avg
832
Total Applications
+17.3%
Interview Lift
1081
Avg Prosecution Days
Based on 830 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
19.0%
§102 Novelty
38.4%
§103 Obviousness
34.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17924114 CENTRIFUGAL DETECTION CHANNEL, DETECTION DEVICE AND DETECTION METHOD Final Rejection Zhejiang PushKang Biotechnology Co., LTD.
17815549 Apparatus And Method For Contacting Blood With Ozone Non-Final OA Sangair AB

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 David C Mellon's allowance rate?

66.4% of resolved applications examined by David C Mellon were allowed (830 resolved cases), compared with 40.4% across Art Unit 1700 over the last five years.

Does an interview help with examiner David C Mellon?

This examiner's interview lift is +17.3 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 Mellon take to allow a patent?

Applications allowed by David C Mellon took 1,081 days on average from filing to allowance.

Which art unit does examiner David C Mellon work in?

David C Mellon examines applications in Art Unit 1700 in Tech Center 6200.

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