2025年04月06日
発明の特徴が複数あるときに注意すべきこと～必須の特徴とオプションの特徴【リライト版】
✓ａとｂがアンド条件の場合（２つ揃ってはじめて１つの発明になる）
✓ａとｂがオア条件の場合（いずれか一方だけでも１つの発明になる）
（ｂは単独では従来の課題を解決することはできない）
■請求項の記載（独立項と従属項）
このような請求項２を「引用形式請求項」「従属項」などと言います。
製品をいろいろいじっていたら、発明が完成した・・・
ここで重要なのが、
特許の審査結果にも関係してきます。
そんな場合があります。
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弁理士 田村誠治（元特許庁審査官）
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音は出ませんのでぜひご覧ください
＜機械翻訳＞
Things to be aware of when an invention has multiple features: essential features and optional features [Rewritten version]
(Q) I was tinkering with my product and I came up with something good.
Compared to the previous version, there are two improvements.
I'd like to get a patent for this improved product...
(A) You can get a patent for the content of the improvement.
Let's organize the relationship between the two features (a and b below).
Depending on how you write the patent document, you may end up with a very narrow right.
<Explanation>
This article is a continuation of the following article.
Things to be aware of when an invention has multiple features
The above article discussed the following two cases.
✓When a and b are AND conditions (only when both are present does it become one invention)
✓When a and b are OR conditions (either one of them is enough to make it one invention)
This article explains the case when a is essential and b is optional.
a: Can solve the existing problem by itself.
b: Has an even greater effect when added to a.
(b cannot solve the existing problems by itself)
■ Claim description (independent and dependent claims)
The claim description in this case is as follows.
[Claim 1] An XX device characterized by a.
[Claim 2] An XX device characterized by a and b.
Claim 2 can also be described as follows.
[Claim 2] An XX device as described in claim 1 characterized by b.
In this way, claim 2 can cite claim 1.
Such claim 2 is called a "dependent claim" or "dependent claim".
The above also applies when there are three or more features of the invention.
■ Even if you come up with an idea, it is important to think further
You were tinkering with the product and ended up with an invention...
In the real world, there are many cases like the questioner's.
The important thing here is,
✓ Even if you come up with an idea (a), think of a more effective element (b)!
It also relates to the results of the patent examination.
In the above example, claim 1 would not be patented, but claim 2 would be! This may be the case.
Take all circumstances into consideration and use the claims above as a reference to aim for a good patent.
If you are unsure, be sure to consult a patent office (patent attorney).
