Prosecution Insights
Last updated: October 25, 2026

William B Melliar, USPTO Patent Examiner

Listed by the USPTO as MELLIAR, WILLIAM B

Tech Center 2900 • Art Units: 2916 2934 2938

This examiner grants 97% of resolved cases

Analysis

William B. Melliar handles design patent cases in Art Unit 2916, where he has resolved 580 cases. His allowance rate is exceptionally high at 97.1 percent. The median days to allowance is 667, reflecting a relatively efficient path to grant within Tech Center 2900.

Because the base allowance rate is 97.1 percent, the interview lift is a minimal 1.1 percent. This suggests that interviews may not be necessary to achieve a positive outcome for most applications. Firms like CANTOR COLBURN LLP and IPHORGAN LTD. are among the most active before this examiner.

Top companies in his portfolio include Ayrton and Music & Lights S R L. Mito Red Light Inc. also appears frequently. HOLZER PATEL DRENNAN is another firm with a significant number of resolved cases in this examiner's history, navigating the 667 median days to allowance.

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

Performance Statistics

97.1%
Allow Rate
+37.1% vs TC avg
586
Total Applications
+1.1%
Interview Lift
667
Avg Prosecution Days
Based on 580 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
4.4%
§102 Novelty
1.4%
§103 Obviousness
91.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
35525484 Searchlight Final Rejection AYRTON
35525485 Searchlight Final Rejection AYRTON
35525396 Stage lighting Non-Final OA MUSIC & LIGHTS S.R.L.
35525294 Stage Lighting Non-Final OA MUSIC & LIGHTS S.R.L.
35519679 Light therapy device Non-Final OA Mito Red Light, Inc.

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner William B Melliar's allowance rate?

97.1% of resolved applications examined by William B Melliar were allowed (580 resolved cases), compared with 95.7% across Art Unit 2916 over the last five years.

Does an interview help with examiner William B Melliar?

This examiner's interview lift is +1.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner William B Melliar take to allow a patent?

Applications allowed by William B Melliar took 667 days on average from filing to allowance.

Which art unit does examiner William B Melliar work in?

William B Melliar examines applications in Art Unit 2916 in Tech Center 2900.

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