2026年09月14日
特許の出願書類の誤記の訂正について【リライト版】
そこで「12月29日」から「12月28日」への補正は可能と思われます。
誤記の訂正を目的とした補正は、必ずしもしなくても構いません。
(誤記の程度や、特許の書類のどの部分の誤記かなどにもよります)
その誤記の訂正の補正は認められないでしょう。
そんな考え方ができます。
✓特許の書類に記載された事項そのものでないと、補正が認めれらない!
そんな厳格な判断がされることもあるでしょう。
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<機械翻訳>
Correcting Errors in Patent Application Documents [Revised Version]
This article explains the correction of errors in patent application documents.
Errors sometimes occur in patent application documents.
It is possible to make an amendment for the purpose of correcting such errors.
This article outlines the types of amendments that are permissible.
(Details regarding the timing of amendments and the procedural steps are omitted here.)
The scope of permissible amendments is limited to content that "does not go beyond what was disclosed at the time of the patent application."
This is because amendments exceeding this scope would disadvantage third parties.
How is the content disclosed at the time of the patent application interpreted?
It is assessed from the perspective of a person skilled in the art (a specialist in that technical field).
What can be amended depends on the nature of the error and the extent of the amendment.
Generally speaking...
Generally,
✓ You can assume that the assessment considers both the content actually written at the time of application *and* the common technical knowledge of a person skilled in the art.
For example, stating that "the last day of work is December 29th" is incorrect based on common knowledge.
Therefore, amending "December 29th" to "December 28th" would likely be permissible.
It is acceptable even if "December 28th" was not explicitly written in the original application documents.
■ Is it necessary to amend the document to correct the error?
You do not necessarily have to make an amendment to correct an error.
(This depends on the nature of the error and where in the patent documents it appears.)
This is because a person skilled in the art would likely recognize the error as such.
In that case, leaving it as is should be acceptable.
On the other hand, there may be errors that a person skilled in the art cannot definitively identify as errors.
Amendments to correct such errors would likely not be permitted.
✓ An error for which an amendment is permitted = An error that does not necessarily *have* to be amended.
That is one way to look at it.
■ Please consult a patent attorney (patent firm) rather than making the decision yourself! Depending on the content of the application documents or the specific examiner,
✓ amendments may be rejected unless they are strictly based on matters already disclosed in the original patent documents!
Such strict judgments can occur.
Whether an amendment is permissible is determined on a case-by-case basis.
If you are unsure, please consult a patent attorney rather than making the decision yourself.







