Prosecution Insights
Last updated: April 19, 2026
Application No. 16/806,536

RECEPTACLES FOR STAINING AND/OR RINSING SAMPLES AND METHODS OF THEIR USE

Non-Final OA §103
Filed
Mar 02, 2020
Examiner
KUMAR, RAKESH
Art Unit
3651
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Samantree Medical SA
OA Round
5 (Non-Final)
57%
Grant Probability
Moderate
5-6
OA Rounds
3y 1m
To Grant
85%
With Interview

Examiner Intelligence

Grants 57% of resolved cases
57%
Career Allow Rate
570 granted / 1003 resolved
+4.8% vs TC avg
Strong +28% interview lift
Without
With
+27.9%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
48 currently pending
Career history
1051
Total Applications
across all art units

Statute-Specific Performance

§103
51.7%
+11.7% vs TC avg
§102
21.7%
-18.3% vs TC avg
§112
24.8%
-15.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1003 resolved cases

Office Action

§103
DETAILED ACTION 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 . Election/Restrictions Newly submitted claim 57 is directed to an invention that is independent or distinct from the invention originally claimed for the following reasons: Applicant elected Species V without traverse which consisted of embodiment as shown in Figures 4a-4b and 5. Applicant’s claim 57 reads on a “retaining lip” which is a structural element of the embodiment shown in Figure 4C and 4D, that was not originally elected. Since applicant has received an action on the merits for the originally presented invention, this invention has been constructively elected by original presentation for prosecution on the merits. Accordingly, claim 57 withdrawn from consideration as being directed to a non-elected invention. See 37 CFR 1.142(b) and MPEP § 821.03. Claim Rejections - 35 USC § 103 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 30,32,38,46-53,58 and 59 are rejected under 35 U.S.C. 103 as being unpatentable over Bils (US 4,202,289) in view of Bailey (US 4,572,850). Referring to claims 30,32 and 48. Bils discloses a method of staining a sample (see abstract line 4), the method comprising: providing a freshly resected tissue sample (specimen; Figure 5); providing a receptacle (Figure 1), the receptacle (Figure 1) comprising a container (V; Figure 1) no more than 60% filled with staining agent solution (no more than 60% filed but can be less than 60% liquid solution; Figure 1 and 9) and a removable basket (C) comprising a sample submersion retention element (22); placing the tissue sample (specimen; Figure 5) in the basket (C) through a vertically oriented opening in a side of the basket (opening of the basket positioned on the top side of the basket but not specifically in the side wall but not vertically oriented) positioning the basket (C) in the container (V) to submerge the tissue sample (specimen submerged as in Figure 1); submerging the tissue sample in the staining agent solution (as shown in Figure 1) in the container (V) for a period of time (time specimen is submerged), thereby staining the tissue sample (see abstract line 4), wherein the sample submersion retention element (22) is disposed to prevent (member 22 is disposed at the bottom of the basket which prevents the specimen from falling into the container and surface in the staining agent solution) the tissue sample (specimen) from surfacing in the staining agent solution during the submerging (see Figure 1); and removing the tissue sample from the container (removing the specimen from container V), wherein the method is performed intraoperatively (can be performed at any suitable location or time). It would have been obvious for a person of ordinary skill in the art, before the effective filing date of the claimed invention, to have modified the teachings of Bils to include the method as recited to be performed intraoperatively because the method can be performed in the course of surgery thus providing rapid information about the specimen. Bils does not disclose placing the tissue sample in the basket through a vertically oriented opening in a side of the basket and does not disclose the container comprising a retention element disposed above the sample such that the sample submersion retention element prevents the tissue sample from surfacing. Bailey discloses a liquid immersion apparatus (10; Figure 1) wherein a container comprises a retention element (14; Figure 1) is disposed above the sample (28) such that the sample submersion retention element (14; Figure 1) prevents the tissue sample from surfacing (see Figure 1) and further wherein the sample (28) is place in the basket (10) through a vertically oriented opening in a side of the basket (see vertical opening in the front side wall of container 10 as shown in Figure 1) It would have been obvious for a person of ordinary skill in the art, before the effective filing date of the claimed invention, to have modified the teachings of Bils to include a container comprising a retention element disposed above the sample such that the sample submersion retention element prevents the tissue sample from surfacing and wherein the sample is place in the basket through a vertically oriented opening in a side of the basket as taught by Bailey because a container comprising a retention element disposed above the sample and wherein placing the sample in place in the basket through a vertically oriented opening in a side of the basket would assure that the sample stays submerged within the liquid and at the same time is easy to load through the front opening. Referring to claim 59. Bailey discloses a liquid immersion apparatus (Figure 1) wherein the vertically oriented opening (see vertical opening in the front side wall of container 10 as shown in Figure 1) remains open (see open front side wall; Figure 4) during staining of the sample (as shown in Figure 1). Referring to claims 38,49,50,51 and 58. Bills in view of Bailey disclose a method of staining a sample (see abstract line 4), wherein the tissue sample (specimen) has a volume of at least 2 mL and no more than 300 mL. It would have been obvious to one of ordinary skill in the art at the time the invention was made to have comprised the tissue sample having a volume in the range of 2mL to 300 mL, since it has been held that where the general conditions of a claim are disclosed in the prior art, discovering the optimum or workable ranges involves only routine skill in the art. In re Aller, 105 USPQ 233. Referring to claim 46. Bills in view of Bailey disclose a method of staining a sample (see abstract line 4), the sample is submerged in the solution for a predetermined time. Bills in view of Bailey do not disclose wherein the period of time during which the tissue sample is submerged is at least 10 seconds and no more than 1 minute. It would have been obvious to one of ordinary skill in the art at the time the invention was made to have comprised the period of time during which the tissue sample is submerged is at least 10 seconds and no more than 1 minute, since it has been held that where the general conditions of a claim are disclosed in the prior art, discovering the optimum or workable ranges involves only routine skill in the art. In re Aller, 105 USPQ 233. Referring to claim 47. Bills in view of Bailey disclose a method of staining a sample (see abstract line 4), the sample surface is stained in the solution. Bills in view of Bailey do not disclose wherein the submerging stains a surface layer of the tissue sample to a penetration depth in a range of 0.05 mm to 1 mm. It would have been obvious to one of ordinary skill in the art at the time the invention was made to have comprised the submerging stains a surface layer of the tissue sample to a penetration depth in a range of 0.05 mm to 1 mm, since it has been held that where the general conditions of a claim are disclosed in the prior art, discovering the optimum or workable ranges involves only routine skill in the art. In re Aller, 105 USPQ 233. Referring to claim 52 and 53. Bills in view of Bailey disclose a method of staining a sample (see abstract line 4), wherein the sample is a very small and thin tissue to be examined (Col. 1 line 8). Bills in view of Bailey do not disclose wherein the tissue sample is a freshly resected breast tissue sample. It would have been obvious to one of ordinary skill in the art at the time the invention was made to have comprised the tissue sample as being a freshly resected breast tissue sample because it would allow a greater diversity of tissue types to be stained effectively for examination. Claim 36 is rejected under 35 U.S.C. 103 as being unpatentable over Bils (US 4,202,289) in view of Bailey (US 4,572,850) and further in view of Tateya (EP 0881481 A1). Referring to claim 36. Bills in view of Bailey do not disclose a method for providing a second receptacle comprising a second container for rinsing a sample. Tateya discloses a method providing a second receptacle comprising a second container no more than 60% filled with rinsing solution (no more than 60% filed but can be less than 60% liquid solution; see Figures 4A and 4B; Col. 2 lines 33-52); removing the basket (8) from the receptacle (Figure 1B); positioning the basket (8) in the second container thereby submerging the tissue sample in the rinsing solution (Figure 4A); and removing the basket (8) from the second container (Figure 4B) after a period of time of no more than 30 seconds. It would have been obvious for a person of ordinary skill in the art, before the effective filing date of the claimed invention, to have modified the teachings of Bills in view of Bailey to include a second receptacle comprising a second container for rinsing a sample as taught by Tateya because the sample can be washed prior to a user handling the specimen for analysis. Claim 54 are rejected under 35 U.S.C. 103 as being unpatentable over Bils (US 4,202,289) in view of Bailey (US 4,572,850) and further in view of Haywood (WO 03/031065 A1). Referring to claim 54. Bils in view of Bailey do not specifically disclose wherein the tissue sample is less dense than the staining agent solution such that, during the submerging, the sample submersion retention element prevents the sample from surfacing. Haywood discloses a basket apparatus for biological samples (10; Figure 10) wherein the tissue sample (136; Figure 10) is less dense than the staining agent solution such that, during the submerging (see Figure 5 and 10), the sample submersion retention element (82 Figure 5) prevents the sample from surfacing (prevents the sample of floating upwards (see Figure 10). It would have been obvious for a person of ordinary skill in the art, before the effective filing date of the claimed invention, to have modified the teachings of Bils in view of Bailey to include the tissue sample is less dense than the staining agent solution such that, during the submerging, the sample submersion retention element prevents the sample from surfacing as taught by Haywood because it can be assured the sample is completely submerged in the staining agent solution. Response to Arguments Applicant's arguments filed 07/05/2024 have been fully considered but they are not persuasive. See modified rejections cited above. Applicant’s new claim 57 is withdrawn from consideration as being directed to a non-elected invention. Claim 38 remains rejected under 35 U.S.C. 103 as being unpatentable over Bils (US 4,202,289) in view of Bailey (US 4,572,850), as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor. Parent claim 30 recites “positioning the basket in the container to submerge the tissue sample.” It is unclear as to how a 300mL volume sample can be submersed in a 3 mL staining agent solution in a container. In view of the Examiner a 300 mL volume may be submerged in a 3 mL solution in a gravity free environment wherein the 3 mL solution thinly coats the sample however the specifications do not disclose such an environment. Applicant argues the limitations of claim 30 “the sample submersion retention element is disposed to prevent the tissue sample from surfacing in the staining agent solution during the submerging,” are not disclosed by the cited reference. In view of the Examiner, the primary reference of Bils (US 4,202,289) discloses the sample submersion retention element (22) is disposed to prevent the tissue sample from surfacing in the staining agent solution during the submerging wherein the Bils reference discloses a member 22 is disposed at the bottom of the basket which prevents the specimen from falling into the container and resurfacing in the staining agent solution. It is suggested the Applicant positively define the position of the retention element on the basket. Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Any inquiry concerning this communication or earlier communications from the examiner should be directed to RAKESH KUMAR whose telephone number is (571)272-8314. The examiner can normally be reached M-TH from 8AM-6:30PM EST. 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, Gene Crawford can be reached at (571) 272-6911. 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. /RAKESH KUMAR/Primary Examiner, Art Unit 3651
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Prosecution Timeline

Mar 02, 2020
Application Filed
Oct 17, 2022
Non-Final Rejection — §103
Mar 20, 2023
Response Filed
Jun 12, 2023
Final Rejection — §103
Dec 15, 2023
Notice of Allowance
Jun 19, 2024
Examiner Interview (Telephonic)
Jun 20, 2024
Examiner Interview Summary
Jul 05, 2024
Request for Continued Examination
Jul 08, 2024
Response after Non-Final Action
Sep 07, 2024
Non-Final Rejection — §103
Jan 10, 2025
Response Filed
Apr 15, 2025
Final Rejection — §103
Sep 04, 2025
Examiner Interview Summary
Sep 04, 2025
Applicant Interview (Telephonic)
Oct 14, 2025
Response after Non-Final Action
Oct 14, 2025
Notice of Allowance
Nov 19, 2025
Response after Non-Final Action
Feb 21, 2026
Non-Final Rejection — §103 (current)

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

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Prosecution Projections

5-6
Expected OA Rounds
57%
Grant Probability
85%
With Interview (+27.9%)
3y 1m
Median Time to Grant
High
PTA Risk
Based on 1003 resolved cases by this examiner. Grant probability derived from career allow rate.

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