Prosecution Insights
Last updated: October 26, 2026

Liam A Royce, USPTO Patent Examiner

Listed by the USPTO as ROYCE, LIAM A

Tech Center 1700 • Art Units: 1773 1777

This examiner grants 66% of resolved cases

Analysis

Liam A. Royce has resolved 548 cases in Tech Center 1700, with an allowance rate of 65.5 percent. His work in Art Unit 1773 involves academic and industrial applicants such as Stanley Electric Co., Ltd., Khalifa University of Science and Technology, and Arizona Board of Regents on Behalf of the University of Arizona. The median days to allowance is 1055. Firms like Billion & Armitage - Khalifa University, DORITY & MANNING, P.A., and FisherBroyles, LLP - MAIN CN frequently represent applicants on this docket.

The interview lift of 21.9 percent indicates that interviews are a highly effective strategy for increasing the 65.5 percent baseline allowance rate. This 21.9 percent lift suggests that direct communication can help resolve technical hurdles and advance prosecution within the 1055-day median pendency. With 548 resolved cases, the data provides a solid foundation for understanding the examiner's 65.5 percent allowance rate. Practitioners should consider the 21.9 percent lift as a decisive factor in achieving a grant.

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

Performance Statistics

65.5%
Allow Rate
+0.5% vs TC avg
580
Total Applications
+21.9%
Interview Lift
1055
Avg Prosecution Days
Based on 548 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
14.9%
§102 Novelty
48.2%
§103 Obviousness
34.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17631653 PHYTO-MEDIATED WASTEWATER TREATMENT BIOREACTOR (PWBR) Final Rejection ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA
18426697 SMART SOLIDS CONTROL SYSTEM Non-Final OA Derrick Corporation

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Frequently Asked Questions

What is examiner Liam A Royce's allowance rate?

65.5% of resolved applications examined by Liam A Royce were allowed (548 resolved cases), compared with 51.4% across Art Unit 1773 over the last five years.

Does an interview help with examiner Liam A Royce?

This examiner's interview lift is +21.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Liam A Royce take to allow a patent?

Applications allowed by Liam A Royce took 1,055 days on average from filing to allowance.

Which art unit does examiner Liam A Royce work in?

Liam A Royce examines applications in Art Unit 1773 in Tech Center 1700 (Chemistry & Materials).

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