Prosecution Insights
Last updated: April 17, 2026
Application No. 18/945,319

FLOOD PREVENTION SYSTEM

Non-Final OA §103§112
Filed
Nov 12, 2024
Examiner
MURPHY, KEVIN F
Art Unit
3753
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
unknown
OA Round
1 (Non-Final)
67%
Grant Probability
Favorable
1-2
OA Rounds
2y 9m
To Grant
96%
With Interview

Examiner Intelligence

Grants 67% — above average
67%
Career Allow Rate
619 granted / 919 resolved
-2.6% vs TC avg
Strong +28% interview lift
Without
With
+28.3%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
33 currently pending
Career history
952
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
41.6%
+1.6% vs TC avg
§102
26.0%
-14.0% vs TC avg
§112
27.9%
-12.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 919 resolved cases

Office Action

§103 §112
DETAILED ACTION Claim(s) 1-14 as filed 11/12/2024 are pending for consideration. Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claim Objections Claim 1 is objected to because of the following informalities: “connected to plumbing fixture” (line 2) should be “connected to a plumbing fixture”. Appropriate correction is required. Claim 1 is objected to because of the following informalities: “the one or more float sensor” (line 7) should be “the one or more float switch sensor”. Appropriate correction is required. Claim 11 is objected to because of the following informalities: “connected to plumbing fixture” (line 2) should be “connected to a plumbing fixture”. Appropriate correction is required. Claim 11 is objected to because of the following informalities: “the one or more float sensor” (lines 4-5) should be “the one or more float switch sensor”. Appropriate correction is required. Claim Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 9 and 11-14 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 9 recites the limitation "the one or more normally close purge solenoid valve" in lines 2-3. There is insufficient antecedent basis for this limitation in the claim. It is noted that this claim is interpreted to depend from claim 3, rather than claim 8 as recited, in order to provide proper antecedent basis for the above limitation. Claim 11 recites the limitation "the one or more remote transmitter" in line 3. There is insufficient antecedent basis for this limitation in the claim. Claim Rejections - 35 USC § 103 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claims 1, 7, 8, and 10 is/are rejected under 35 U.S.C. 103 as being unpatentable over Wambold (US Patent Application 2013/0340836) in view of Meacham et al. (US Patent 5,028,910) and further in view of Rogers (US Patent 9,123,230). Regarding Claim 1, Wambold discloses a flood prevention system (para. 0055 especially) for a building which includes a water line (510, 512), a sewer line 313, wherein the water line and the sewer line are connected to plumbing fixture (such as a sink or faucet as described in para. 0004 and is known in the art), the flood prevention system comprising: a remote receiver command center 422; one or more remote transmitter (data line 320 is seen to be readable as a “remote transmitter” because it transmits data; it is noted that the term “remote transmitter” has not been given a special definition in applicant’s specification as filed and therefore the data line 320 which transmits data and is remote from at least some other element – e.g. valve 514 – is seen to be readable on the recited “remote transmitter”); and one or more float sensor (the sensor 316 may be a mechanical float sensor; para. 0069) installed near each of the one or more remote transmitter 320; and wherein the one or more float sensor 316 is installed within the sewer line 313 (Figures 3 and 6 especially). Wambold teaches the command center 422 has buttons 416 for controlling thresholds and parameters (para. 0071), however Wambold does not specifically disclose the command center is installed in the building. Meacham teaches a drain overflow system and further teaches a command center 2 is installed in a building (as shown in Figure 1). It would have been obvious to one of ordinary skill in the art before the application was effectively filed to modify the device of Wambold such that the command center is installed in the building as taught by Meacham for the purpose of ensuring easy access by the user. Wambold further does not disclose the float sensor is a float switch sensor. Rogers teaches a sewer backup system and further teaches a backup sensor is a float switch sensor (float 12 includes the switch defined by the interaction of sensor 40 and magnet 5; col. 3, lines 38-45) near a remote transmitter 4. It would have been obvious to one of ordinary skill in the art before the application was effectively filed to modify the device of Wambold such that the sensor is a float switch sensor as taught by Rogers for the purpose of utilizing an alternative sensor structure known in the art to be suitable for detecting sewer backup. Additionally, in the event that the data wire of Wambold is not seen to be readable as a “remote transmitter” as claimed, it would have been obvious to one of ordinary skill in the art before the application was effectively filed to modify the device of Wambold such that the data is conveyed using a wireless transmitter as taught by Rogers for the purpose of eliminating the need to run a wire from the sensor to the command center. Regarding Claim 7, Wambold further discloses the remote receiver command center 422 receives a signal from the one or more remote transmitter (the signal is sent via data line 320 as described above or alternatively via a wireless communication in view of Rogers as described above). Regarding Claim 8, Wambold as modified further discloses the remote receiver command center 422 receives the signal from the one or more remote transmitter (data line 320 or alternatively a wireless transmitter as taught by Rogers as described above) when a float switch sensor of the one or more float switch sensor becomes buoyant (as taught by Rogers; when float 12 becomes buoyant and lifts the magnet 5 as described in col. 3, lines 20-45). Regarding Claim 10, Wambold further discloses wherein the one or more remote transmitter notifies a personnel of an issue (para. 0055; Wambold discloses that in one embodiment an alert is provided to a user, owner, or manager). Claim 2 is/are rejected under 35 U.S.C. 103 as being unpatentable over Wambold (US Patent Application 2013/0340836) in view of Meacham et al. (US Patent 5028910) and further in view of Rogers (US Patent 9123230) as applied to claim 1 above, and further in view of Goldberg et al. (US Patent 9920511). Regarding Claim 2, Wambold further discloses the remote command center 422 comprises one or more solenoid valve connection ports (at the connection between 422 and wire 418 which leads to solenoid valve 514) and Wambold in view of Rogers discloses a wireless connection as described above. Wambold in view of Rogers does not disclose the remote receiver command center comprises at least a Wi-Fi switch. Goldberg teaches a sewer backup system and further teaches a wireless connection may utilize wi-fi (col. 8, lines 60-67). It would have been obvious to one of ordinary skill in the art before the application was effectively filed to modify the device of Wambold in view of Rogers such that the wireless connection includes a Wi-Fi switch as taught by Goldberg for the purpose of utilizing a well-known and readily available wireless connection means. Allowable Subject Matter Claims 3-6 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. Claim 9 would be allowable if rewritten to overcome the rejection(s) under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action and to include all of the limitations of the base claim and any intervening claims. As described above, claim 9 is interpreted to depend from claim 3 as best understood. Claims 11-14 would be allowable if rewritten or amended to overcome the rejection(s) under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action. The following is a statement of reasons for the indication of allowable subject matter: The prior art fails to teach, in combination with the remaining limitations set forth in claim 3, “one or more normally open water shutoff solenoid valve and one or more normally close purge solenoid valve connected to the one or more solenoid valve connection ports”. The prior art fails to teach, in combination with the remaining limitations set forth in claim 11, “causing, by remote receiver command center, a normally closed solenoid valve of the one or more normally close purge solenoid valve to open”. Conclusion The prior art of record and not relied upon is considered pertinent to applicant's disclosure. McDonald et al. (US Patent Application 2009/0314351) teaches a sewer backup system with a controller 128. Any inquiry concerning this communication or earlier communications from the examiner should be directed to KEVIN MURPHY whose telephone number is (571)270-5243. The examiner can normally be reached Monday - Friday 8am-4pm. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Craig Schneider can be reached on (571) 272-3607. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /KEVIN F MURPHY/ Primary Examiner, Art Unit 3753
Read full office action

Prosecution Timeline

Nov 12, 2024
Application Filed
Jan 13, 2026
Non-Final Rejection — §103, §112 (current)

Precedent Cases

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Patent 12584561
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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
67%
Grant Probability
96%
With Interview (+28.3%)
2y 9m
Median Time to Grant
Low
PTA Risk
Based on 919 resolved cases by this examiner. Grant probability derived from career allow rate.

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