[Pct] Different ISA and IPEA?

Carl Oppedahl carl at oppedahl.com
Mon Jun 9 13:55:28 UTC 2025


Oh and see also these countries where you can automatically get a patent 
if EPO granted a patent:

  * Slovenia
  * Lithuania
  * Latvia
  * Romania
  * Croatia
  * Albania
  * North Macedonia
  * Serbia
  * Bosnia and Herzegovina
  * Montenegro

On 6/9/2025 7:50 AM, Carl Oppedahl via Pct wrote:
>
> This is well plowed ground.  I discuss this in my PCT seminars.
>
> One could ask for a list of patent offices around the world that 
> automatically grant a patent if EPO granted a patent. These include 
> the following:
>
>   * MA Morocco
>   * MD Republic of Moldova
>   * TN Tunisia
>   * KH Cambodia
>   * GE Georgia
>   * LA Lao People's Democratic Republic
>
> One could ask for a list of patent offices around the world that tend 
> to give full faith and credit to patentability findings by the EPO.
>
> One could also ask for anecdotal reports that suggest that many 
> Examiners in many patent offices around the world tend to give /sotto 
> voce/ substantial faith and credit to patentability findings by the EPO.
>
> There are plenty of individual Examiners in JPO and USPTO who might 
> never come out and say it, but who give plenty of faith and credit to 
> EPO work.  The same is true of the patent offices in Canada, New 
> Zealand, Australia, and Singapore.
>
> There are two information paths here to analyze.  A first path is the 
> information path of "the EPO granted a patent".  It is easy enough to 
> guess how it might work out that an Examiner in some non-EPO patent 
> office would give a lot of weight to the grant of the patent in EPO.  
> A second path is the information path of "the EPO in its role as ISA 
> or IPEA said it's patentable".  Here it is a bit more subtle as to how 
> it might work out that an Examiner in some non-EPO patent office would 
> give a lot of weight to such an ISA or IPEA finding.  The answer is 
> "they drink their own champagne".  Everybody knows, and I mean 
> everybody, in every patent office in the world, that if the EPO in its 
> role as ISA or IPEA said something is patentable, and if the applicant 
> later enters the EPO regional phase for that something, then a Notice 
> of Allowance follows automatically.
>
>
> On 6/9/2025 7:35 AM, Scott Nielson via Pct wrote:
>> Thanks for this. What countries, other than China, seem to be 
>> particularly impressed with a positive report from the EP?  JP and US 
>> don't seem to be impressed by a positive report from any other 
>> country (curious if your experience is different).
>>
>> *Scott Nielson*
>>
>> 801-660-4400
>>
>>
>> ------------------------------------------------------------------------
>> *From:* Pct <pct-bounces at oppedahl-lists.com> on behalf of Timothy 
>> Snowden via Pct <pct at oppedahl-lists.com>
>> *Sent:* Monday, June 09, 2025 6:45 AM
>> *To:* pct at oppedahl-lists.com <pct at oppedahl-lists.com>
>> *Cc:* Timothy Snowden <tdsnowden at outlook.com>
>> *Subject:* Re: [Pct] Different ISA and IPEA?
>>
>> As a side note, I note that I frequently recommend clients to use 
>> IPEA/EP even when we are planning to have more than 15 claims. If 
>> they raise unity of invention, just pay the additional examination 
>> fees (yes, you might have to pay additional search fees and 
>> additional examination fees, although it's relatively rare).
>>
>> The amendment requirements are strict, but once you know how to work 
>> with them (or are using high quality EP counsel), then they're not 
>> actually that bad -- many other countries also are very strict on 
>> their amendments, so I tend to view it as a positive: if I can make 
>> an amendment under EP, then it's /almost/ certain that anywhere else 
>> is going to accept it too.
>> Regarding the more than 1 type of claims, I almost always demand an 
>> oral consult if we enter Chapter II proceedings, and I explain to the 
>> EP examiner that I understand that they have to make an 
>> /observation/ that certain claim practices (multiple independent 
>> claims of same type, etc.) will have to be amended in EP national 
>> stage, but I politely point out that these are not /international 
>> _defects_/ -- almost all EP examiners are very understanding of this, 
>> and sympathize with the goal of determining /inventive step/, and 
>> leveraging the high quality EP work product without necessarily 
>> conforming to EP-specific rules until EP national stage is entered.
>>
>>
>> I enjoy working with KR -- they are very helpful, especially the US 
>> help center. However, I rarely get the opportunity to use them 
>> because most of the countries my clients are focused on a positive 
>> report from EP makes a much bigger impact.
>>
>>
>> To sum it up in EP -- the amendments I understand, but I think that 
>> is actually a feature. The numbers / types of claims can 99+% of the 
>> time be cabined into a simple observation informing the applicant of 
>> changes required in regional/national stage because they are EP 
>> rules, not PCT rules. (So are the amendments, but that is a matter of 
>> interpreting what is permissible as an amendment so has a direct 
>> impact on a finding of inventive step).
>>
>>
>> On 6/8/2025 8:30 PM, Scott Nielson via Pct wrote:
>>
>>     Thanks for the detailed explanation Carl. I reported the bug in
>>     ePCT about the Philippines being an option as the IPEA. Also, I
>>     had forgotten that the IPEA/US uses examiners to perform the
>>     examination. The risk that they won't do anything before the 30
>>     month deadline is high enough that I cannot imagine ever choosing
>>     IPEA/US.
>>
>>     I noticed something else that gives me pause. Annex C for RO/US
>>     <https://pctlegal.wipo.int/eGuide/view-doc.xhtml?doc-code=US&doc-lang=en#RO> says
>>     Australia is a competent search authority for only 250 PCT
>>     applications per quarter. There are no subject matter limitations.
>>
>>     However, Annex C for RO/IB
>>     <https://pctlegal.wipo.int/eGuide/view-doc.xhtml?doc-code=IB&doc-lang=en#RO> says
>>     "Where the applicant is a national or a resident of the United
>>     States of America, the Australian Patent Office may be chosen as
>>     the competent International Searching Authority and/or
>>     International Preliminary Examining Authority for certain
>>     international applications only. For further details concerning
>>     which international applications this is restricted to, refer to
>>     Official Notices (PCT Gazette) dated 23 October 2008, pages 131
>>     et seq."
>>
>>     The PCT Gazette dated 23 Oct 2008
>>     <https://www.wipo.int/export/sites/www/pct/en/docs/official-notices/officialnotices08.pdf> at
>>     p. 131 says IP Australia will not be a competent ISA or IPEA for
>>     PCT apps filed by US applicants "where such applications contain
>>     one or more claims related to mechanical engineering or analogous
>>     fields of technology." It then goes on to list a LOT of
>>     technology IP Australia will not handle.
>>
>>     Do you know why Annex C for RO/US does not list any subject
>>     matter restrictions for ISA/AU or IPEA/AU but Annex C for RO/IB
>>     does? I wonder if the subject matter restrictions were removed at
>>     some point and Annex C for RO/US was updated but not for RO/IB.
>>
>>     Even though Annex C for RO/US lists a number of competent ISAs,
>>     it seems like there are issues with many of them, particularly
>>     AU, IL, JP, and PH (either limited numbers of searches or limited
>>     subject matter). That said, I have used JP and PH without
>>     problems so maybe I got lucky. The safe choices appear to be EP,
>>     KR, SG, and US. SG is almost as expensive as EP so it's hard to
>>     see why anyone would choose it.
>>
>>     The bottom line is that the choice of ISA for a large entity is
>>     EP for a high quality, expensive search or KR for a cheap search.
>>     For a small entity, the choice is the same except now the US is
>>     also an option for the cheap search because it is close in price
>>     to KR. In rare cases where circumstances warrant, it might be
>>     worth choosing SG or rolling the dice with AU, IL, JP, or PH.
>>
>>     *Scott Nielson*
>>
>>     801-660-4400
>>
>>
>>     ------------------------------------------------------------------------
>>     *From:* Carl Oppedahl <carl at oppedahl.com> <mailto:carl at oppedahl.com>
>>     *Sent:* Sunday, June 08, 2025 4:05 AM
>>     *To:* For users of the PCT and ePCT. This is not for laypersons
>>     to seek legal advice. <pct at oppedahl-lists.com>
>>     <mailto:pct at oppedahl-lists.com>
>>     *Subject:* Re: [Pct] Different ISA and IPEA?
>>
>>     On 6/7/2025 9:36 AM, Scott Nielson via Pct wrote:
>>
>>         When does it make sense to select a patent office as the ISA
>>         and a different patent office as the international
>>         preliminary examination authority (IPEA)?
>>
>>         I have a client that likes EP as the ISA but not as the IPEA
>>         due to the EP's strict amendment requirements (primarily
>>         basis and intermediate generalization issues). According to
>>         ePCT, it is possible to choose KR, US, or PH (Philippines) as
>>         a competent IPEA instead of EP (there is some uncertainty
>>         about whether PH is competent; ePCT shows it as an option but
>>         the US - Annex C of the PCT Applicant's Guide lists PH as
>>         only competent if it was the ISA).
>>
>>         The only reason I can think of for doing this is as a
>>         potentially cheap way to get a favorable IPRP and qualify for
>>         the patent prosecution highway (PPH). The cost for each IPEA
>>         is EP=1915EUR, US=880USD (can be reduced with small/micro
>>         entity discount), KR=330USD, and PH=300USD.
>>
>>         The general idea would be to file the PCT application with
>>         claims that are more like US claims (3 independent, 20 total)
>>         and select EP as the ISA. Once the International Search
>>         Report is issued, request preliminary examination with KR or
>>         US as the IPEA with the goal of getting a favorable IPRP so
>>         national phase applications: (i) can be expedited pursuant to
>>         the PPH and (ii) not be limited by EP claim requirements
>>         (e.g., single apparatus/method claim; total of 15 claims, etc.).
>>
>>         Any thoughts on any of this?
>>
>>     When I teach a 2½-day PCT seminar (I have taught two within the
>>     past year and another one is coming up) I spend time on this.
>>
>>     See for example these slides
>>     <https://www.oppedahl.com/cle/2022PCTTrainingSession8.pdf> at
>>     page 15, slide 29.   That slide reminds us that there are lots of
>>     "universal acceptors" -- IPEAs that are happy to take your
>>     client's money for an international preliminary examination
>>     regardless of whom your client selected earlier as an ISA.
>>
>>     Yes you are correct that Annex E for IPEA/PH
>>     <https://pctlegal.wipo.int/eGuide/view-doc.xhtml?doc-code=PH&doc-lang=en#IPEA> says
>>     that "[t]he Intellectual Property Office of the Philippines may
>>     act as International Preliminary Examining Authority only if the
>>     international search is or has been carried out by it." And you
>>     are correct that ePCT says the opposite.
>>
>>     We learn from Annex E for IPEA/US
>>     <https://pctlegal.wipo.int/eGuide/view-doc.xhtml?doc-code=US&doc-lang=en#IPEA> that
>>     IPEA/US is not quite a universal acceptor.  It is a universal
>>     acceptor in the special case where ... well here is what it says:
>>
>>         The USPTO may act as International Preliminary Examining
>>         Authority only if the international search is or has been
>>         performed by that Office, except that the USPTO may act as
>>         International Preliminary Examining Authority for
>>         international applications filed by at least one resident or
>>         national of the United States of America with the USPTO or
>>         the International Bureau of WIPO as receiving Office where
>>         the selected ISA is competent for residents or nationals of
>>         the United States of America.
>>
>>      Keep in mind that this condition is evaluated at the time of
>>     entry into Chapter II of the Treaty -- namely at the time of the
>>     filing of the Demand.  So for example an applicant that changed
>>     domicile or citizenship between the international filing date and
>>     the demand date might find that it is unable to use IPEA/US as an
>>     IPEA under this complicated provision.
>>
>>     But I digress.  So the bundle of questions, as presented,
>>     includes the notion of actively choosing to purchase the services
>>     of an IPEA that is not the same Office as the ISA that had been
>>     previously hired.
>>
>>     It is recalled that the ISA work for ISA/US is not carried out by
>>     members of USPTO's Examining Corps.  It is carried out by one of
>>     several private contractors who pitched cheap enough prices to
>>     the USPTO to be awarded contracts for this work.  So if you pick
>>     ISA/US you don't get a member of the USPTO Examining Corps.
>>
>>     it is also recalled that against all odds, the IPEA work for
>>     IPEA/US */is carried out by members of the USPTO's Examining
>>     Corps./*  But it is also recalled that sometimes when you pick
>>     IPEA/US, the IPRP shows up way too late, well past 30 months, so
>>     that the client is forced to make the difficult and expensive
>>     decisions about national-phase entry without having yes received
>>     the results from IPEA/US.
>>
>>     No matter how many reasons you consider for picking an IPEA other
>>     than IPEA/EP, the plain fact that is worth more than money is
>>     that if you pick IPEA/EP, and if IPEA/EP happens to agree that
>>     some claims are patentable, then the EPO (at the time of
>>     national/regional-phase entry) will almost surely "drink its own
>>     champagne".   Personally I rank this fact as a fact that wins out
>>     over nearly all other facts.
>>
>>     I would hire experienced and trusted EP counsel at this stage to
>>     handle a Demand directed to EPO, who would know how to handle
>>     what you describe as "EP's strict amendment requirements".
>>
>>     I encourage any reader who has not fallen asleep after this long
>>     posting to consider signing up for my next 2½-day PCT seminar. 
>>     If you don't want to miss it, be sure that (a) you are a member
>>     of the PCT listserv, and (b) you are subscribed to my blog.
>>
>>
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://oppedahl-lists.com/pipermail/pct_oppedahl-lists.com/attachments/20250609/64806930/attachment.html>


More information about the Pct mailing list