“Desillus provides design and illustration service for intellectual property patent drawings with high quality in an optimal time frame”

When the USPTO issued an Office Action, I realised how crucial it is to 𝐟𝐨𝐥𝐥𝐨𝐰 𝐞𝐯𝐞𝐫𝐲 𝐢𝐧𝐬𝐭𝐫𝐮𝐜𝐭𝐢𝐨𝐧 𝐩𝐫𝐞𝐜𝐢𝐬𝐞𝐥𝐲, without introducing any new content. That experience taught me the importance of consistency, detail, and discipline in this field.

Many times the patent application is rejected because of the drawing used. Most illustrators are not aware of the legal... Read More

The conclusion is that an"Ex parte Quayle Action" is a Notice of Non-Compliant Office Action, which sets a time period... Read More

A few complex figures which can not be placed into one sheet need to be split into two or more sheets without violating the... Read More

How to Avoid 4 Most Common Rejection By USPTO or PCT. There are some basic guidelines from the USPTO and PCT about how... Read More

Consistency in patent drawings refers to maintaining uniformity to establish standards in various aspects of the drawings.

Any replacement sheet of drawings shall include all of the figures appearing on the immediate prior version of the sheet.