Prosecution Insights
Last updated: October 02, 2026

Examiner: SANFORD, DIANA PATRICIA

Tech Center 1600 • Art Units: 1687

This examiner grants 50% of resolved cases

Analysis

Diana Patricia Sanford is an examiner in Tech Center 1600 and Art Unit 1687. The examiner has a record of 16 resolved cases. The allowance rate for these cases is 50.0 percent. This 50.0 percent rate indicates that half of the applications assigned to this examiner eventually reach allowance.

The interview lift for this examiner is 33.3 percent. This 33.3 percent lift suggests that interviews can provide a significant increase in the probability of success. The median days to allowance is 1649. This 1649-day period is an important consideration for practitioners when planning their prosecution strategy in Art Unit 1687. The 16 resolved cases provide the data necessary to understand the examiner's tendencies in Tech Center 1600.

Applicants can use the 1649 median days to allowance to estimate the time required to secure a patent. The 50.0 percent allowance rate serves as a baseline indicator of the examiner's historical approach to applications. Furthermore, the 33.3 percent interview lift offers a strong signal for pursuing direct communication during the examination process.

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

Performance Statistics

50.0%
Allow Rate
-10.0% vs TC avg
46
Total Applications
+33.3%
Interview Lift
1649
Avg Prosecution Days
Based on 16 resolved cases, 2023–2026

Rejection Statute Breakdown

29.2%
§101 Eligibility
10.1%
§102 Novelty
32.7%
§103 Obviousness
22.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18321106 METHOD, MANUFACTURING METHOD, DESIGN DEVICE, DESIGN PROGRAM, AND RECORDING MEDIUM FOR PRIMER FOR AMPLICON METHYLATION SEQUENCE ANALYSIS Non-Final OA FUJIFILM Corporation
17945689 CALCULATION METHOD FOR BASE METHYLATION DEGREE AND PROGRAM Final Rejection FUJIFILM Corporation
17884852 CELL CULTURE PROCESS SEARCH METHOD, CELL CULTURE PROCESS SEARCH PROGRAM, CELL CULTURE PROCESS SEARCH DEVICE, AND LEARNED MODEL Final Rejection FUJIFILM Corporation
17723939 COMPUTATIONAL METHOD FOR CHARACTERIZING A BIOPOLYMER PROPERTY OF A BIOPOLYMER Final Rejection Robert Bosch GmbH
17795091 METHOD FOR OPTIMIZING MANUFACTURING CONDITION FOR POLYARYLENE SULFIDE RESIN COMPOSITE, AND METHOD FOR MANUFACTURING RESIN COMPOSITE Final Rejection National Institute of Advanced Industrial Science and Technology
17625180 METHOD AND SYSTEM FOR DETERMINING GLUCOSE CHANGE IN A SUBJECT Final Rejection Eli Lilly and Company
18037682 Protein Structure Prediction Non-Final OA Microsoft Technology Licensing, LLC
18319803 PEPTIDE BINDING MOTIF GENERATION Non-Final OA NEC Laboratories America, Inc.
17775187 MACHINE LEARNING TOOLS AND A PROCESS TO DISCOVER NEW NATURAL PRODUCTS BY LINKING GENOMES AND METABOLOMES IN FUNGI Final Rejection Northwestern University
17792639 MOLECULE DESIGN Final Rejection Flagship Pioneering Innovations VI, LLC
18481469 DATA PROCESSING DEVICE FOR METABOLITE ANALYSIS Non-Final OA SHIMADZU CORPORATION
17746712 PRECISION ENRICHMENT OF PATHOLOGY SPECIMENS Final Rejection Foundation Medicine, Inc.
17922222 A METHOD FOR DETECTING REACTION VOLUME DEVIATIONS IN A DIGITAL POLYMERASE CHAIN REACTION Non-Final OA Roche Sequencing Solutions, Inc.
17773907 Identification and Characterisation of Herbicides and Plant Growth Regulators Non-Final OA Oxford University Innovation Limited
18142035 METHOD, SYSTEM, AND COMPUTER READABLE MEDIUM FOR POST-TRANSLATIONAL MODIFICATIONS DETECTION Non-Final OA National Central University
18307482 MACHINE-LEARNING MODELS FOR SELECTING OLIGONUCLEOTIDE PROBES FOR ARRAY TECHNOLOGIES Final Rejection Illumina, Inc.
17881713 IMAGE ACQUISITION METHODS FOR SIMULTANEOUSLY DETECTING GENETIC REARRANGEMENT AND NUCLEAR MORPHOLOGY Non-Final OA Cornell University
17910556 METHOD AND SYSTEM OF FOR PREDICTING DISEASE RISK BASED ON MULTIMODAL FUSION Non-Final OA SHANDONG UNIVERSITY

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