Plants and seeds of hybrid corn variety CH010522

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

USPTO: us-12622392 · published 2026-05-12 · patents · A01H 6/4684· A01H 1/00· A01H 5/10

Plants and seeds of hybrid corn variety CH010522

Pragya Adhikari, Amkeny, 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 2026-05-16 21:30 UTC · model grok-4.3

classification patents A01H 6/4684A01H 1/00A01H 5/10

keywords hybrid cornCH010522corn varietyplant patentseed depositparental lines

0 comments

The pith

Hybrid corn variety CH010522 is produced by crossing two specific deposited parental lines.

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

The paper establishes a patent claim for a new hybrid corn variety called CH010522. It is created through a controlled cross between plants of variety CV947631 and variety CV962284. Representative seeds of both parental lines have been deposited in a recognized public repository under accession numbers 202206061 and 202306062. A sympathetic reader would care because the description supplies a reproducible method for generating this particular genetic combination and places the starting material in the public domain after the patent term.

Core claim

A seed of hybrid corn variety CH010522 is produced by crossing a first plant of variety CV947631 with a second plant of variety CV962284, with representative seeds of the parental varieties deposited under NCMA Accession No. 202206061 and NCMA Accession No. 202306062 respectively.

What carries the argument

Controlled crossing of two inbred parental corn lines whose seeds are preserved in a recognized depository to generate a uniform and stable hybrid.

If this is right

Commercial seed companies can produce and market CH010522 hybrid corn using the deposited lines.
The variety can be reproduced reliably from the public deposits once the patent expires.
The specific genetic combination becomes part of the documented corn germplasm available for reference.

Where Pith is reading between the lines

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

Breeders could use the deposited parental lines to develop additional hybrids that share one or both parents.
Farmers gain access to a documented new hybrid option whose performance can be compared directly with existing commercial varieties.
The public deposit reduces the risk that the parental material will be lost to future research after the patent period.

Load-bearing premise

The deposited seed samples accurately and stably represent the claimed parental lines and produce a sufficiently distinct hybrid.

What would settle it

Grow plants from the deposited seeds and determine whether repeated crosses consistently yield offspring whose observable traits match the description of CH010522.

read the original abstract

1 . A seed of hybrid corn variety CH010522, produced by crossing a first plant of variety CV947631 with a second plant of variety CV962284, wherein representative seeds of said varieties CV947631 and CV962284 are deposited under NCMA Accession No. 202206061 and NCMA Accession No. 202306062, 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 routine plant-variety patent that simply registers one new corn hybrid by seed deposit; nothing else is claimed or shown.

read the letter

The only thing on offer is the legal definition of hybrid CH010522 as the cross of inbreds CV947631 and CV962284, backed by two NCMA deposits. That specific parent combination is new to the record, and the deposit language meets the minimum statutory requirement for a utility patent on a plant. Beyond that, the document contains no yield data, no trait scores, no molecular markers, and no stability or uniformity evidence. It is a registration, not an experiment. The claim is therefore as strong or as weak as the physical seed samples themselves; the text alone gives no way to test it. Because the underlying crossing method is standard commercial practice, the technical novelty is narrow and confined to this one genotype. For a maize breeder or an IP attorney who needs the exact accession numbers, the filing is useful. For anyone else it adds nothing that can be read, cited, or built upon. I would not bring it to a reading group, would not cite it in research, and would not send it to scientific peer review. It belongs in the patent office, not a journal.

Referee Report

0 major / 1 minor

Summary. The manuscript is a utility patent application claiming a hybrid corn variety CH010522. The sole independent claim defines the variety exclusively by the cross of two specific inbred parental lines (CV947631 × CV962284) whose representative seeds are deposited under NCMA accession numbers 202206061 and 202306062, respectively. No phenotypic data, molecular markers, performance trials, or stability assertions are supplied; the deposits themselves constitute the legal definition of the claimed material.

Significance. If the deposits are viable and correctly identified, the claim would confer standard plant-variety protection, enabling commercial exclusivity for the hybrid. The contribution is therefore entirely legal and commercial rather than scientific; its significance rests on compliance with deposit and enablement requirements rather than on any novel biological insight or empirical result.

minor comments (1)

The abstract and claim 1 are identical; a short technical description of the hybrid’s distinguishing traits (e.g., maturity, disease resistance) would improve clarity for examiners and licensees.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for the careful review and the recommendation to accept. The manuscript is a utility patent application whose claims are enabled by the deposited parental inbred lines, consistent with USPTO enablement and deposit requirements for plant varieties.

Circularity Check

0 steps flagged

No significant circularity

full rationale

The document is a utility patent whose sole load-bearing claim defines hybrid corn variety CH010522 by direct reference to the cross of two named inbred lines whose identity is fixed by public seed deposits (NCMA accessions 202206061 and 202306062). No equations, fitted parameters, predictions, ansatzes, or self-citations appear; the variety is constituted by the deposited material itself. Consequently the claim contains no derivation chain that could reduce to its own inputs.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

The central claim rests on the legal and biological assumption that deposited seed accessions faithfully represent stable, distinct inbred lines and that the resulting hybrid meets DUS (distinctness, uniformity, stability) criteria.

axioms (1)

domain assumption Deposited seed samples accurately and permanently represent the claimed inbred parent varieties.
Required for the hybrid definition to be reproducible.

pith-pipeline@v0.9.0 · 5422 in / 1033 out tokens · 19357 ms · 2026-05-16T21:30:28.348924+00:00 · methodology

Plants and seeds of hybrid corn variety CH010522

Core claim

What carries the argument

If this is right

Where Pith is reading between the lines

Load-bearing premise

What would settle it

discussion (0)