Prosecution Insights
Last updated: October 02, 2026

Examiner: ZHANG, KAIJIANG

Tech Center 1600 • Art Units: 1612 1639 1644 1675 1682 1684

This examiner grants 77% of resolved cases

Analysis

Kaijiang Zhang is an examiner in Tech Center 1600 and Art Unit 1612. He has 704 resolved cases. The allowance rate for these cases is 77.1%. This percentage is a metric for practitioners to consider during prosecution. The interview lift is 34.4%. This lift shows the change in allowance probability when an interview occurs. The median days to allowance is 990. This duration is the time for an allowed application.

With 704 resolved cases, the data provides a basis for strategy. The 34.4% interview lift is a metric for those seeking to change their results. Practitioners should factor the 990-day timeline into their planning. The 77.1% allowance rate reflects the examiner's record in Tech Center 1600 and Art Unit 1612. The examiner's history shows a pattern of outcomes. Direct communication through the interview process is associated with the lift. The Art Unit environment is associated with these metrics. The duration of prosecution is a factor in strategy. The Tech Center context is relevant for understanding the trends.

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

Performance Statistics

77.1%
Allow Rate
+17.1% vs TC avg
729
Total Applications
+34.4%
Interview Lift
990
Avg Prosecution Days
Based on 704 resolved cases, 2023–2026

Rejection Statute Breakdown

7.8%
§101 Eligibility
21.3%
§102 Novelty
29.3%
§103 Obviousness
26.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18323091 METHODS FOR PRINTING CELLS AND GENERATING ARRAYS OF BARCODED CELLS Non-Final OA 10x Genomics, Inc.
17820560 METHODS FOR PROCESSING NUCLEIC ACID MOLECULES Final Rejection 10x Genomics, Inc.
17963119 MULTI-SEQUENCE CAPTURE SYSTEM Non-Final OA University of Utah Research Foundation
18130306 MICROFLUIDIC ACOUSTIC SEPARATION DEVICES Non-Final OA The Charles Stark Draper Laboratory, Inc.
17856923 CHEMICAL METHODS FOR PRODUCING TAGGED NUCLEOTIDES Non-Final OA ROCHE SEQUENCING SOLUTIONS, INC.
17924425 POLYNUCLEOTIDE ARRAYS Final Rejection Oxford University Innovation Limited
17464341 COMPOSITIONS AND METHODS FOR ACCURATELY IDENTIFYING MUTATIONS Non-Final OA Fred Hutchinson Cancer Center
17412105 COMPOSITIONS AND METHODS FOR ACCURATELY IDENTIFYING MUTATIONS Non-Final OA Fred Hutchinson Cancer Center
17978130 SEQUENCING KITS Non-Final OA ILLUMINA, INC.
17751017 Sequencing Adapter Manufacture and Use Non-Final OA Sequenom, Inc.
18298043 ENRICHMENT OF MUTATED CELL FREE NUCLEIC ACIDS FOR CANCER DETECTION Non-Final OA GRAIL, LLC
17853846 METHODS FOR ENRICHING FOR DUPLEX READS IN SEQUENCING AND ERROR CORRECTION Non-Final OA GRAIL, LLC
18067652 DE NOVO SYNTHESIZED GENE LIBRARIES Non-Final OA Twist Bioscience Corporation

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