When should the markedly different characteristics analysis be performed?

The markedly different characteristics analysis should be performed when evaluating nature-based product limitations in a claim. However, it’s important to note that not all claims containing nature-based products require this analysis. According to the MPEP, “Examiners should keep in mind that if the nature-based product limitation is naturally occurring, there is no need to perform…

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When is it appropriate to include sequences in patent drawings?

While sequences should generally be included in the Sequence Listing XML rather than duplicated in drawings, there are several situations where including sequences in patent drawings may be appropriate or necessary. According to MPEP 2412.06: “Many significant sequence characteristics may only be demonstrated by a figure. This is especially true in view of the fact…

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When should a request for interim extension be filed?

According to 37 CFR 1.760, as cited in MPEP 2755.01: “Any such request should be filed at least three months prior to the expiration date of the patent.“ However, the MPEP clarifies that this time frame is not mandatory: “While 37 CFR 1.760 provides that a request for an interim extension by the applicant ‘should’…

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What is an Interference Practice Specialist (IPS) and when should an examiner consult one?

An Interference Practice Specialist (IPS) is an expert in each Technology Center (TC) who must be consulted when suggesting an interference to the Board. Examiners should consult an IPS when they first become aware of a potential interference or when any interference issue arises during prosecution of an application. According to the MPEP, Examiners are…

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When did supplemental examination become available?

Supplemental examination became available on September 16, 2012. This new procedure was introduced as part of the Leahy-Smith America Invents Act (AIA). The MPEP states: “Supplemental examination became available on September 16, 2012, as a result of new section 257 of Title 35, United States Code, which was added by Public Law 112-29, enacted on…

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When is a Statement of Grant of Protection issued for an international design application?

A Statement of Grant of Protection is issued by the United States Patent and Trademark Office (USPTO) after a patent has been granted on an international design application that designates the United States. This occurs specifically for nonprovisional international design applications. According to MPEP 2940: “Upon issuance of a patent on a nonprovisional international design…

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When can an ex parte reexamination be requested?

According to MPEP 2211, an ex parte reexamination can be requested “at any time during the period of enforceability of a patent“. This is established by 37 CFR 1.510(a). The period of enforceability is generally determined by adding 6 years to the patent’s expiration date, but may be extended in cases of pending litigation. To…

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When is a replacement “Sequence Listing XML” required in a patent application?

A replacement “Sequence Listing XML” is required in a patent application under the following circumstances: When errors are identified in a previously submitted “Sequence Listing XML” When the previously submitted “Sequence Listing XML” fails to comply with 37 CFR 1.831 – 1.834 When the applicant chooses to amend a previously submitted “Sequence Listing XML” According…

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