Prosecution Insights
Last updated: October 27, 2026

Christina L Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, CHRISTINA L

Tech Center 1600 • Art Units: 1600 1635 1637 1671 1682

This examiner grants 52% of resolved cases

Analysis

TRAN, CHRISTINA L is assigned to tech center 1600 and art unit 1600. The profile contains 64 resolved cases, a 51.6% allowance rate, and a 49.8% interview lift. The median time to allowance is 1467 days. Interviews show a substantial positive association, while the allowance rate is closer to an even split than to a uniformly favorable outcome.

The principal companies are Alnylam Pharmaceuticals Inc., Lonza Ltd., and Icahn School of Medicine At Mount Sinai. The listed firms are MARSHALL, GERSTEIN & BORUN LLP, MCCARTER & ENGLISH, LLP, and MEDLER FERRO WOODHOUSE & MILLS PLLC. Practitioners should pair interview preparation with careful timeline management in this life-sciences docket.

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

Performance Statistics

51.6%
Allow Rate
-8.4% vs TC avg
116
Total Applications
+49.8%
Interview Lift
1467
Avg Prosecution Days
Based on 64 resolved cases, 2023–2026

Rejection Statute Breakdown

5.9%
§101 Eligibility
13.1%
§102 Novelty
32.2%
§103 Obviousness
36.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17621029 STRUCTURALLY DEFINED SIRNA-DUAL VARIABLE DOMAIN IMMUNOGLOBULIN CONJUGATES Non-Final OA UNIVERSITY OF FLORIDA RESEARCH FOUNDATION INCORPORATED
17601522 AIM2 INHIBITORS AND USES THEREOF Final Rejection University of Massachusetts
17743422 TUNABLE ANCHOR FOR LIPOSOMAL SPHERICAL NUCLEIC ACID ASSEMBLY Final Rejection NORTHWESTERN UNIVERSITY
17413123 ANELLOSOMES FOR DELIVERING INTRACELLULAR THERAPEUTIC MODALITIES Non-Final OA FLAGSHIP PIONEERING INNOVATIONS V, INC.
17044195 Compositions Comprising Immune System Activators and Method of Using Same Final Rejection The Trustees of Princeton University
17266502 PARN AS A BIOMARKER AND THERAPEUTIC TARGET Non-Final OA The Regents of the University of Colorado, a body corporate
17800371 AAV-Mediated Targeting of MIRNA in the Treatment of X-Linked Disorders Non-Final OA UNIVERSITY OF VIRGINIA PATENT FOUNDATION
18251514 PRECISE GENOME DELETION AND REPLACEMENT METHOD BASED ON PRIME EDITING Non-Final OA University of Washington

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Frequently Asked Questions

What is examiner Christina L Tran's allowance rate?

51.6% of resolved applications examined by Christina L Tran were allowed (64 resolved cases), compared with 37.3% across Art Unit 1600 over the last five years.

Does an interview help with examiner Christina L Tran?

This examiner's interview lift is +49.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christina L Tran take to allow a patent?

Applications allowed by Christina L Tran took 1,467 days on average from filing to allowance.

Which art unit does examiner Christina L Tran work in?

Christina L Tran examines applications in Art Unit 1600 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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