Prosecution Insights
Last updated: October 02, 2026

Examiner: LAFAVE, ELIZABETH ROSE

Tech Center 1700 • Art Units: 1639 1681 1682 1684 1799

This examiner grants 62% of resolved cases

Analysis

Elizabeth Rose Lafave works in Tech Center 1700 and Art Unit 1639. The examiner has resolved 56 cases. The data shows an allowance rate of 62.5 percent, which is relatively high. An interview lift of 45.4 percent indicates that interviews are a highly effective tool for increasing the likelihood of a grant. This 45.4 percent lift suggests that direct engagement can significantly overcome prosecution hurdles.

The median days to allowance is 1553, indicating a relatively long process from filing to grant. With 56 resolved cases, the examiner's data is robust and reliable. The 62.5 percent allowance rate and 1553 median days to allowance set the stage for prosecution. Practitioners should prioritize interviews given the 45.4 percent lift observed across these 56 cases.

In Art Unit 1639, the 45.4 percent interview lift is a key tactical advantage for applicants. The 62.5 percent allowance rate suggests a consistent examination style. The 1553 median days to allowance is an important factor for managing client expectations regarding timing. By leveraging the 45.4 percent lift, practitioners can improve their outcomes beyond the baseline 62.5 percent allowance rate.

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

Performance Statistics

62.5%
Allow Rate
-2.5% vs TC avg
90
Total Applications
+45.4%
Interview Lift
1553
Avg Prosecution Days
Based on 56 resolved cases, 2023–2026

Rejection Statute Breakdown

9.5%
§101 Eligibility
28.1%
§102 Novelty
32.9%
§103 Obviousness
25.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17801517 METHODS OF SPATIALLY RESOLVED SINGLE CELL SEQUENCING Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
17582820 CRISPR/CAS TRANSCRIPTIONAL MODULATION Final Rejection The Regents of the University of California
17604881 BIOPOLYMER ANALYSIS DEVICE, BIOPOLYMER ANALYSIS EQUIPMENT, AND BIOPOLYMER ANALYSIS METHOD Non-Final OA HITACHI HIGH-TECH CORPORATION
17788003 METHODS AND ARRAYS FOR IDENTIFYING THE CELL OR TISSUE ORIGIN OF DNA Final Rejection Ramot at Tel-Aviv University Ltd.
18607277 MULTIGENE ANALYSIS OF TUMOR SAMPLES Non-Final OA Foundation Medicine, Inc.
17538812 SYSTEM AND METHOD FOR DETECTION OF GENETIC ALTERATIONS Non-Final OA Illumina, Inc.
18009377 A Method for Assessing Transduction Efficiency and/or Specificity of Vectors at Single Cell Level Final Rejection AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
17787898 METHOD FOR IDENTIFYING REGULATORY ELEMENTS Non-Final OA ASKBIO INC.
18041902 EUKARYOTIC DNA REPLICATION ORIGINS, AND VECTOR CONTAINING THE SAME Non-Final OA UNIVERSITÉ DE MONTPELLIER
17721680 BARCODE-BASED NUCLEIC ACID SEQUENCE ASSEMBLY Final Rejection Twist Bioscience Corporation

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

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