Prosecution Insights
Last updated: October 02, 2026

Examiner: HASAN, KHALEDA B

Tech Center 1600 • Art Units: 1636

This examiner grants 59% of resolved cases

Analysis

Khaleda B Hasan is an examiner in Tech Center 1600, assigned to Art Unit 1636. She has resolved 133 cases, and her allowance rate is 59.4 percent. This provides an outlook for applicants, with more than half of the cases reaching allowance. The data offers a baseline for practitioners to manage their expectations when their application is assigned to her. The 133 resolved cases provide the context for these metrics.

The interview lift of 49.5 percent is a significant figure in Hasan's profile. This indicates that interviews are effective at moving cases toward a grant compared to the 59.4 percent baseline. Practitioners should consider an interview as a tactic to resolve rejections. The median time to allowance is 1257 days, which is a timeframe for successful prosecution in Art Unit 1636. The 49.5 percent lift suggests that this time could be utilized in direct dialogue.

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

Performance Statistics

59.4%
Allow Rate
-0.6% vs TC avg
158
Total Applications
+49.5%
Interview Lift
1257
Avg Prosecution Days
Based on 133 resolved cases, 2023–2026

Rejection Statute Breakdown

6.1%
§101 Eligibility
14.7%
§102 Novelty
33.5%
§103 Obviousness
25.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19630254 Compositions and Methods Comprising a TTR Guide RNA and a Polynucleotide Encoding an RNA-Guided DNA Binding Agent Non-Final OA Intellia Therapeutics, Inc.
17735929 Methods and Compositions for Directed Genome Editing Non-Final OA Intellia Therapeutics, Inc.
17559926 MAMMALIAN CELL LINES WITH SIRT-1 GENE KNOCKOUT Final Rejection Hoffmann-La Roche Inc.
18057359 EXOSOMES COMPRISING THERAPEUTIC POLYPEPTIDES Non-Final OA Oxford University Innovation Limited
17906372 METHODS AND COMPOSITIONS FOR IMPROVED TYPE I-E CRISPR BASED GENE SILENCING Non-Final OA Duke University
16547019 METHODS FOR DELIVERING GENE EDITING REAGENTS TO CELLS WITHIN ORGANS Final Rejection BLUEALLELE, LLC

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