Prosecution Insights
Last updated: October 26, 2026

Justin Christopher Sanchez, USPTO Patent Examiner

Listed by the USPTO as SANCHEZ, JUSTIN CHRISTOPHER

Tech Center 1600 • Art Units: 1622

This examiner grants 87% of resolved cases

Analysis

Justin Christopher Sanchez operates in Tech Center 1600 and Art Unit 1622, with 55 resolved cases. The allowance rate is 87.3 percent, and the median days to allowance is 1222. The interview lift is 12.1 percent, suggesting a positive impact from direct engagement with the examiner. This 12.1 percent lift is a useful metric for practitioners deciding on their prosecution strategy.

The Regents of the University of California, Revolution Medicines Inc., and Amgen Inc. are the top companies. MCCARTER & ENGLISH, LLP BOSTON, Clark+Elbing LLP - Revolution Medicines, Inc., and FOLEY HOAG, LLP (General) are the top firms. The 87.3 percent allowance rate is based on 55 resolved cases. Practitioners can use the 1222 median days to allowance to estimate the duration of successful prosecution. The 12.1 percent interview lift provides a final tactical option for applicants in this docket.

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

Performance Statistics

87.3%
Allow Rate
+27.3% vs TC avg
84
Total Applications
+12.1%
Interview Lift
1222
Avg Prosecution Days
Based on 55 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
18.8%
§102 Novelty
31.2%
§103 Obviousness
35.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18288550 DEUBIQUITINASE-TARGETING CHIMERAS AND RELATED METHODS Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18571090 SYNTHETIC PREPARATION FOR DIROXIMEL FUMARATE Non-Final OA BIOGEN MA INC.
19045764 IMIDAZO[1,2-C]PYRIMIDINE DERIVATIVES AS PRC2 INHIBITORS FOR TREATING CANCER Non-Final OA Mirati Therapeutics, Inc.

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Frequently Asked Questions

What is examiner Justin Christopher Sanchez's allowance rate?

87.3% of resolved applications examined by Justin Christopher Sanchez were allowed (55 resolved cases), compared with 60.6% across Art Unit 1622 over the last five years.

Does an interview help with examiner Justin Christopher Sanchez?

This examiner's interview lift is +12.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Justin Christopher Sanchez take to allow a patent?

Applications allowed by Justin Christopher Sanchez took 1,222 days on average from filing to allowance.

Which art unit does examiner Justin Christopher Sanchez work in?

Justin Christopher Sanchez examines applications in Art Unit 1622 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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