Plants and seeds of hybrid corn variety CH010443

Christian J. Buffard, Jefferson, CO (US); Fufa H. Birru, Willmar, MN (US); Pragya Adhikari, Ankeny, IA (US); Rafael A. Mateo, Sun Prairie, WI (US); Silvano Assanga Ocheya, Farmington, MN (US)

USPTO: us-12642223 · published 2026-06-02 · patents · A01H 6/4684· A01H 5/10

Plants and seeds of hybrid corn variety CH010443

Pragya Adhikari, Ankeny, IA (US) , Fufa H. Birru, Willmar, MN (US) , Christian J. Buffard, Jefferson, CO (US) , Rafael A. Mateo, Sun Prairie, WI (US) , Silvano Assanga Ocheya, Farmington, MN (US) This is my paper

Pith reviewed 2026-06-04 09:32 UTC · model grok-4.3

classification patents A01H 6/4684A01H 5/10

keywords hybrid cornplant variety protectionCH010443inbred corn linesseed depositcorn breeding

0 comments

The pith

A hybrid corn variety CH010443 is defined as the seed produced by crossing deposited inbred lines CV622763 and CV644310.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The document claims protection for a specific hybrid corn by identifying it as the direct product of a cross between two named parent varieties. Representative seeds of each parent are placed in a public depository under stated accession numbers so that the cross can be repeated. A reader would care because the claim supplies both a reproducible definition of the variety and the legal basis for its exclusive use in seed production.

Core claim

The central claim is that seed of hybrid corn variety CH010443 is obtained by crossing a plant of variety CV622763 with a plant of variety CV644310, where representative seeds of the two parent varieties have been deposited under NCMA Accession No. 202306061 and NCMA Accession No. 202306060, respectively.

What carries the argument

The hybrid seed itself, produced by the stated cross of two deposited inbred parent lines.

If this is right

Any person with access to the deposited seeds can reproduce the identical hybrid cross.
The variety name CH010443 refers exclusively to progeny of this specific parental combination.
Commercial seed production of CH010443 must use the protected parental lines or their deposited equivalents.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

The patent format allows later varieties to be defined by new combinations of similarly deposited lines.
Yield, disease resistance, or other performance data are not required for the claim to stand as written.

Load-bearing premise

The two deposited parent lines, when crossed, will reliably yield seed that is uniform and distinct enough to constitute a single protectable variety.

What would settle it

Growing plants from the deposited parent seeds and finding that the resulting hybrid progeny are not uniform or do not match the traits implied by the variety name CH010443.

read the original abstract

1 . A seed of hybrid corn variety CH010443, produced by crossing a first plant of variety CV622763 with a second plant of variety CV644310, wherein representative seeds of said varieties CV622763 and CV644310 are deposited under NCMA Accession No. 202306061 and NCMA Accession No. 202306060, respectively.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Desk Editor's Note private letter to a colleague

This is a standard plant-variety patent that simply names one hybrid corn cross by reference to two deposited inbred lines; it contains no data, methods, or scientific claims.

read the letter

The document is a US plant patent for hybrid corn variety CH010443, defined solely as the seed produced by crossing deposited lines CV622763 (NCMA 202306061) and CV644310 (NCMA 202306060). That is the entire substantive content. No phenotypic description, yield data, molecular markers, or stability evidence appears. The filing therefore adds nothing to the scientific literature on maize genetics or breeding methods. Its only function is to establish legal priority for commercial use of that specific cross. The reference to external deposits is the standard mechanism used in plant variety protection, so the approach itself is conventional rather than inventive. Because the text supplies no measurements or derivations, there is no internal logic that can be checked for consistency or error. The central assumption—that seed from the stated cross will meet DUS criteria—is left untested in the document and must be verified by the depositor or examiner outside the text. This work is relevant only to plant breeders filing or licensing PVP certificates and to patent attorneys tracking variety claims. It has no place in a scientific reading group or journal. A serious editor should desk-reject it without review; the document is not a research contribution and offers no empirical or theoretical material that referees could evaluate.

Referee Report

0 major / 1 minor

Summary. The manuscript is a plant-variety patent whose sole substantive content is a single claim defining hybrid corn variety CH010443 as the seed obtained by crossing inbred line CV622763 (NCMA Accession No. 202306061) with inbred line CV644310 (NCMA Accession No. 202306060). No phenotypic data, molecular markers, agronomic performance results, or verification of distinctness-uniformity-stability criteria are supplied.

Significance. The document supplies a legal definition that could support intellectual-property protection if the deposited lines reliably produce a protectable hybrid. It contains no empirical result, derivation, or falsifiable prediction that would advance scientific understanding in plant breeding or genetics.

minor comments (1)

The document contains no sections, equations, tables, or figures; the single claim is presented without supporting description or data.

Simulated Author's Rebuttal

2 responses · 1 unresolved

We thank the referee for the review. The submitted document is a US patent application whose purpose and format are governed by patent law rather than scientific-journal standards. We address the referee's observations below.

read point-by-point responses

Referee: The manuscript is a plant-variety patent whose sole substantive content is a single claim defining hybrid corn variety CH010443 as the seed obtained by crossing inbred line CV622763 (NCMA Accession No. 202306061) with inbred line CV644310 (NCMA Accession No. 202306060). No phenotypic data, molecular markers, agronomic performance results, or verification of distinctness-uniformity-stability criteria are supplied.

Authors: This description is accurate. Under 35 U.S.C. § 112, enablement for a hybrid variety is satisfied by deposit of the parental inbred lines; the single claim is the statutorily required form. Phenotypic or molecular data are not part of the claim language itself. revision: no
Referee: The document supplies a legal definition that could support intellectual-property protection if the deposited lines reliably produce a protectable hybrid. It contains no empirical result, derivation, or falsifiable prediction that would advance scientific understanding in plant breeding or genetics.

Authors: We agree that the document's purpose is legal definition of an intellectual-property right, not the reporting of new scientific results. Patent applications are not required to contain the falsifiable predictions or performance data expected in research articles. revision: no

standing simulated objections not resolved

Recommendation to reject solely because the filing does not advance scientific understanding, given that its statutory purpose is intellectual-property protection.

Circularity Check

0 steps flagged

No significant circularity

full rationale

The document is a plant-variety patent whose sole load-bearing claim is a legal definition of a hybrid seed by reference to two externally deposited inbred lines (NCMA accessions 202306061 and 202306060). No equations, fitted parameters, derivations, ansatzes, or self-citations appear. The claim does not reduce to any input by construction; it is simply a naming convention anchored to physical deposits. This is outside the scope of the circularity patterns the analyzer is designed to detect.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

The central claim rests on the legal convention that a plant variety can be defined solely by its parental cross and deposit accession numbers; no free parameters, mathematical axioms, or invented physical entities are introduced.

pith-pipeline@v0.9.0 · 5645 in / 907 out tokens · 22547 ms · 2026-06-04T09:32:22.564172+00:00 · methodology

discussion (0)

Lean theorems connected to this paper

Citations machine-checked in the Pith Canon. Every link opens the source theorem in the public Lean library.

IndisputableMonolith.Foundation.RealityFromDistinction reality_from_one_distinction unclear

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unclear
Relation between the paper passage and the cited Recognition theorem.

A seed of hybrid corn variety CH010443, produced by crossing a first plant of variety CV622763 with a second plant of variety CV644310, wherein representative seeds of said varieties CV622763 and CV644310 are deposited under NCMA Accession No. 202306061 and NCMA Accession No. 202306060, respectively.

What do these tags mean?

matches: The paper's claim is directly supported by a theorem in the formal canon.
supports: The theorem supports part of the paper's argument, but the paper may add assumptions or extra steps.
extends: The paper goes beyond the formal theorem; the theorem is a base layer rather than the whole result.
uses: The paper appears to rely on the theorem as machinery.
contradicts: The paper's claim conflicts with a theorem or certificate in the canon.
unclear: Pith found a possible connection, but the passage is too broad, indirect, or ambiguous to say the theorem truly supports the claim.