Prosecution Insights
Last updated: October 27, 2026

Christian L Fronda, USPTO Patent Examiner

Listed by the USPTO as FRONDA, CHRISTIAN L

Tech Center 1600 • Art Units: 1645 1652 1656

This examiner grants 82% of resolved cases

Analysis

FRONDA, CHRISTIAN L has resolved 1371 cases in Tech Center 1600 and Art Unit 1645. The profile reports an 82.5% allowance rate and a median of 888 days to allowance. The 14.3% interview lift supports including examiner interviews in the response plan, while the allowance rate indicates that written prosecution remains an important foundation for favorable outcomes.

The listed companies include Novozymes A/S, Ketoneaid Inc., and Alteogen Inc. The representative firms are FOLEY & LARDNER LLP, STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C., and SUGHRUE MION, PLLC. The large resolved-case record provides substantial context, and the median timeline calls for active management despite the favorable allowance profile.

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

Performance Statistics

82.5%
Allow Rate
+22.5% vs TC avg
1,410
Total Applications
+14.3%
Interview Lift
888
Avg Prosecution Days
Based on 1371 resolved cases, 2023–2026

Rejection Statute Breakdown

5.2%
§101 Eligibility
7.8%
§102 Novelty
25.7%
§103 Obviousness
38.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19051360 MICROORGANISM HAVING INCREASED ACTIVITY OF 3-METHYL-2-OXOBUTANOATE HYDROXYMETHYLTRANSFERASE, AND USE THEREOF Non-Final OA CJ CheilJedang Corporation
19023584 METHODS TO MANIPULATE QUALITY ATTRIBUTES OF POLYPEPTIDES PRODUCED IN CHO CELLS Non-Final OA BRISTOL-MYERS SQUIBB COMPANY
18319864 ENGINEERED THERMOPHILIC REVERSE TRANSCRIPTASE Final Rejection 10x Genomics, Inc.
18739532 DETERGENT COMPOSITIONS CONTAINING ENZYMES Non-Final OA The Procter & Gamble Company
18398165 Nucleic Acid Synthesis and Sequencing Using Tethered Nucleoside Triphosphates Final Rejection The Regents of the University of California
18886300 PLATFORM OF COMPOSABLE MAMMALIAN ELEMENTS OF TRANSCRIPTION (COMET) Non-Final OA Northwestern University
18847406 ALPHA-AMYLASE VARIANT Non-Final OA KAO CORPORATION
18000892 METHOD FOR PRODUCING FORMIC ACID USING CARBON MONOXIDE DEHYDROGENASE AND FORMATE DEHYDROGENASE Non-Final OA UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
18026807 ALPHA-AMYLASE VARIANTS Final Rejection DANSTAR FERMENT AG
19019935 PROCESSES FOR PRODUCING ETHANOL Non-Final OA NOVOZYMES A/S
18956701 POLYPEPTIDES HAVING LYSOZYME ACTIVITY, POLYNUCLEOTIDES ENCODING SAME AND USES AND COMPOSITIONS THEREOF Non-Final OA Novozymes A/S
18896095 STABILIZED CELLULASE VARIANTS Non-Final OA Novozymes A/S
18246060 METHOD FOR IMPROVING THE STABILITY OF A COMPOSITION COMPRISING A FLAVIN-DEPENDENT LACTATE DEHYDROGENASE Final Rejection KIKKOMAN CORPORATION

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Frequently Asked Questions

What is examiner Christian L Fronda's allowance rate?

82.5% of resolved applications examined by Christian L Fronda were allowed (1,371 resolved cases), compared with 49.5% across Art Unit 1645 over the last five years.

Does an interview help with examiner Christian L Fronda?

This examiner's interview lift is +14.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christian L Fronda take to allow a patent?

Applications allowed by Christian L Fronda took 888 days on average from filing to allowance.

Which art unit does examiner Christian L Fronda work in?

Christian L Fronda examines applications in Art Unit 1645 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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