Prosecution Insights
Last updated: October 25, 2026

Christopher M Gross, USPTO Patent Examiner

Listed by the USPTO as GROSS, CHRISTOPHER M

Tech Center 1600 • Art Units: 1612 1636 1639 1653 1675 1678 1684

This examiner grants 64% of resolved cases

Analysis

Christopher M. Gross is a USPTO patent examiner in tech center 1600 and art unit 1612. The profile covers 668 resolved cases, with an allowance rate of 63.5% and a median of 1543 days to allowance. The interview lift is 40.2%, indicating a substantial measured association between interviews and allowance outcomes. The 1543-day median makes timing a central consideration for applicants developing prosecution, continuation, and market-entry plans.

The leading companies are Crystalsfirst GmbH, Trustees of Boston University, and Massachusetts Institute of Technology. The leading firms are MILLEN, WHITE, ZELANO & BRANIGAN, P.C., Carroll, Hoette & Butscher, LLC, and Casimir Jones, S.C. The docket reflects advanced materials and university research, with firms that handle technical and institutional applicants.

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

Performance Statistics

63.5%
Allow Rate
+3.5% vs TC avg
692
Total Applications
+40.2%
Interview Lift
1543
Avg Prosecution Days
Based on 668 resolved cases, 2023–2026

Rejection Statute Breakdown

3.9%
§101 Eligibility
29.2%
§102 Novelty
32.3%
§103 Obviousness
24.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18408191 SYSTEM FOR THE DIRECTED EVOLUTION OF BIOMOLECULES IN MULTI-BODY COMPLEXES Non-Final OA Massachusetts Institute of Technology
18189056 COMBINATORIAL PLATFORM FOR HIGH-THROUGHPUT POLYNUCLEOTIDE-ENCODED CATALYST DISCOVERY Final Rejection WISCONSIN ALUMNI RESEARCH FOUNDATION
18051711 METHOD TO QUANTIFY AFFINITY AND SELECTIVITY OF SMALL MOLECULES FOR PROTEINS IN LIVING CELLS Non-Final OA Ohio State Innovation Foundation
18291773 Methods and Compositions for Producing Cell-Source Identifiable Collections of Nucleic Acids Non-Final OA Takara Bio USA, Inc.
18702311 PRE-LIBRARY TARGET ENRICHMENT FOR NUCLEIC ACID SEQUENCING Non-Final OA University of Utah Research Foundation
18230872 TESTING COLON CANCER DRUGS FOR IMMUNOMODULATORY EFFECTS Non-Final OA BROWN UNIVERSITY
17182044 GENE EXPRESSION-BASED BIOMARKER FOR THE DETECTION AND MONITORING OF BRONCHIAL PREMALIGNANT LESIONS Non-Final OA Trustees of Boston University
18697961 METABOLIC ENGINEERING OF ACTINOMYCETES BY SINGLE CELL MUTANT SELECTION Non-Final OA Turun yliopisto
18580463 SCREENING CODON-OPTIMIZED NUCLEOTIDE SEQUENCES Non-Final OA TRANSLATE BIO, INC.
17807954 EXPRESS HUMANIZATION OF ANTIBODIES Final Rejection BioAtla, Inc.
18579196 TEMPORAL PROPERTY PREDICTOR Non-Final OA SHIFT BIOSCIENCE LTD.
18487926 MULTIPLE TAGGING OF INDIVIDUAL LONG DNA FRAGMENTS Non-Final OA Complete Genomics, Inc.
17297944 METHOD FOR PREDICTING THE RESPONSE TO CANCER IMMUNOTHERAPY IN CANCER PATIENTS Final Rejection Charité - Universitätsmedizin Berlin
18353065 BINDING ASSAYS USING PHAGE DISPLAY TECHNOLOGY AND KITS THEREOF Final Rejection Eurofins DiscoverX Corporation
17370819 METHODS AND COMPOSITIONS FOR THE DIAGNOSIS OF SEPSIS USING GAMMA PEPTIDE NUCLEIC ACIDS Final Rejection HELIXBIND, INC.
18333339 METHODS TO SELECT ANTIBODIES SPECIFIC TO COMPLEX MEMBRANE ANTIGENS Non-Final OA VACCINEX, INC.
18025100 ARRAY, SOAKING SOLUTIONS AND METHOD OF SELECTING SOAKING CONDITIONS FOR SMALL MOLECULES IN BIOLOGICAL MACROMOLECULAR CRYSTALS Final Rejection CRYSTALSFIRST GMBH
18025103 ARRAY, SOAKING SOLUTIONS AND METHOD OF SELECTING SOAKING CONDITIONS FOR SMALL MOLECULES IN BIOLOGICAL MACROMOLECULAR CRYSTALS Final Rejection CRYSTALSFIRST GMBH
18025107 ARRAY, SOAKING SOLUTIONS AND METHOD OF SELECTING SOAKING CONDITIONS FOR SMALL MOLECULES IN BIOLOGICAL MACROMOLECULAR CRYSTALS Final Rejection CRYSTALSFIRST GMBH
18023909 MAMMALIAN CELLS AND METHODS FOR ENGINEERING THE SAME Final Rejection 64-X, Inc.
18008766 SUBSTRATE FOR IMMOBILIZING SUBSTANCE, AND USE THEREOF Final Rejection R-NANOBIO CO. LTD.

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Frequently Asked Questions

What is examiner Christopher M Gross's allowance rate?

63.5% of resolved applications examined by Christopher M Gross were allowed (668 resolved cases), compared with 40.7% across Art Unit 1612 over the last five years.

Does an interview help with examiner Christopher M Gross?

This examiner's interview lift is +40.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christopher M Gross take to allow a patent?

Applications allowed by Christopher M Gross took 1,543 days on average from filing to allowance.

Which art unit does examiner Christopher M Gross work in?

Christopher M Gross examines applications in Art Unit 1612 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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