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USPTO guide: X-ray tomography | 661 comments | Create New Account
Comments belong to whoever posts them. Please notify us of inappropriate comments.
USPTO Guide: (c) Non-Statutory Process Claims
Authored by: macliam on Monday, April 01 2013 @ 12:32 PM EDT

Responding piecemeal:

The USPTO do not invent guidelines out of thin air. They take note of court cases, almost all Federal Circuit cases, but also Supreme Court cases, which are very infrequent, to determine what is currently the ruling precedent, and adapt guidelines accordingly. The business of the USPTO is to assess applications in conformity with the currently controlling case law. Now consider the last of the examples you cite:

(c) Non-Statutory Process Claims

When the Federal Circuit decided in In Re Bilski, adopting the Machine or Transformation Test, a guideline was issued in the USPTO to inform examiners of the implications and to direct examiners to apply the Machine or Transformation Test. Then the Supreme Court, in Bilski v. Kappos came along and said that the Machine or Transformation Test was an “important clue” and “investigative tool”. So then the guidelines were amended to instruct examiners to first apply the Machine or Transformation Test (i.e., the investigative tool or important clue), and then determine whether the process claim was drawn merely to an abstract idea (or law of nature). Thus the paragraph you cited is the vehicle by which the USPTO's legal department communicates to examiners what they must do in examining computer-implemented process claims to meet the requirements of Bilski as they are understood.

One can monitor what goes on at the USPTO by reviewing the results of appeals at the PTAB. Examiners have been regularly rejecting claims on the basis of claiming non-statutory subject-matter under 101, using the guidelines you cite as the basis. Sometimes the examiner's rejections are affirmed by the appeal board of administrative patent judges. Sometimes the examiner's rejections are reversed and remanded for further prosecution. And sometimes, when the examiner hasn't considered Bilski issues, but has rejected claims on other grounds, the rulings of the PTAB may come with a footnote drawing the attention of the examiner to Bilski and suggesting that, in the event of further prosecution, the claims be looked at to determine whether or not they claim non-statutory subject matter.

A point you may be missing, is that a process claim may comprise (i.e., involve) use of a computer or microprocessor for some data processing. This does not mean that the claim only involves data processing. There may well be additional elements or steps in the claim (e.g., curing rubber), and the claim needs to be assessed as a whole. The instruction is directing examiners to determine whether, in the case of a claim to a computer-implemented process, the claim is not a statutory process but is drawn to an abstract idea (in the sense of Bilski) or a law of nature.

Also, in the context of “a claim reciting a mathematical algorithm’, I would presume that ‘recite’ is a term of art. I think it means that a mathematical algorithm is included in the claim, though the claim may well include other non-mathematical elements.

Usual disclaimers: IANAL etc.

[ Reply to This | Parent | # ]

USPTO guide: X-ray tomography
Authored by: macliam on Monday, April 01 2013 @ 01:12 PM EDT

I believe that governing precedent with respect to X-ray tomography (on which the USPTO Guideline is based as the following Federal Circuit case: In Re Abele, 684 F.2d 902.

The Federal Circuit has not over-ruled this precedent. Indeed, in re Bilski, they formulated their Machine or Transformation Test so as to be compatible with the precedent. The precedent is not affected by the “narrow” holding of the Supreme Court in Bilski v. Kappos that hedging financial transactions, both as an abstract idea, and as the mathematical expression of this idea, is not patentable. Nor is it affected by the Mayo decision of diagnostic tests. Therefore it is currently Federal law that Abele's process, and similar processes, are patentable, and this will continue to be the Federal law under which the USPTO has to operate unless and until either the Supreme Court or the Federal Circuit (the latter only through an en banc decision) puts in place a different regime.

Considerations of semiotics cannot over-rule Federal case law. In this instance, I would claim that there is a physical relationship between the patient's body and the image that appears on the CAT scan display, or image, that do not depend on ‘meanings’ being assigned at various stages. There is a physical relationship between the physical attenuation of the X-rays passing through the patent's body and the electrical signals in the processing unit of the CAT scanner right through to the physical appearance of the video display that is determined, without the need to import any extra-physical ‘meanings’ (such as “dollar amounts” anywhere along the way. This position of mine may or may not be compatible with PoIR's semiotic analysis. But, given that the Federal Circuit made special mention of In Re Abele in its Bilski considerations, this might be a good case to test out the semiotic ideas to see if the decision would have come out the other way under a ‘referent’ test.

And improvements in CAT scan technology surely represent the kind of innovation “which the patent laws were designed to protect” (citation omitted)

Usual disclaimer: IANAL.

[ Reply to This | Parent | # ]

USPTO Guidelines: seismic exploration
Authored by: macliam on Monday, April 01 2013 @ 02:28 PM EDT

Two Court of Customs and Patent Appeals (CCPA) cases on point here. The first, Application of Johnson, 589, F.2d 1070 (1978) (presumably also known as In Re Johnson) is clearly the case that the example concerning seismic exploration that the USPTO Guideline is based on. (The CCPA was the predecessor court to the Federal Circuit, for appeals from the USPTO.)

In Re Johnson should be compared with Application of Walter, 618 F.2d 758, (also known as In Re Walter) where the CCPA affirmed the CCPA, thus killing the patent application. In this case the ineligible claim is drawn to a method where seismic source waves are transmitted downwards, reflected by the geology below, and then the reflected signals undergo Fourier analysis, using discrete Fourier Transforms. Judge Rich delived the opinion of the court.

[ Reply to This | Parent | # ]

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