diff --git a/tools/spectral/ipa/__tests__/IPA117DescriptionEndsWithPeriod.test.js b/tools/spectral/ipa/__tests__/IPA117DescriptionEndsWithPeriod.test.js
new file mode 100644
index 0000000000..877bbab06d
--- /dev/null
+++ b/tools/spectral/ipa/__tests__/IPA117DescriptionEndsWithPeriod.test.js
@@ -0,0 +1,83 @@
+import testRule from './__helpers__/testRule';
+import { DiagnosticSeverity } from '@stoplight/types';
+
+testRule('xgen-IPA-117-description-ends-with-period', [
+  {
+    name: 'valid description',
+    document: {
+      components: {
+        schemas: {
+          Schema: {
+            properties: {
+              id: {
+                description: 'Description.',
+              },
+            },
+          },
+        },
+      },
+    },
+    errors: [],
+  },
+  {
+    name: 'invalid descriptions',
+    document: {
+      components: {
+        schemas: {
+          Schema: {
+            properties: {
+              noPeriod: {
+                description: 'Description',
+              },
+            },
+          },
+        },
+      },
+    },
+    errors: [
+      {
+        code: 'xgen-IPA-117-description-ends-with-period',
+        message: 'Descriptions must end with a full stop(.).',
+        path: ['components', 'schemas', 'Schema', 'properties', 'noPeriod'],
+        severity: DiagnosticSeverity.Warning,
+      },
+    ],
+  },
+  {
+    name: 'ignores descriptions ending with table',
+    document: {
+      components: {
+        schemas: {
+          Schema: {
+            properties: {
+              noPeriod: {
+                description: 'Description\n| Table |',
+              },
+            },
+          },
+        },
+      },
+    },
+    errors: [],
+  },
+  {
+    name: 'invalid components with exceptions',
+    document: {
+      components: {
+        schemas: {
+          Schema: {
+            properties: {
+              noPeriod: {
+                description: 'Description',
+                'x-xgen-IPA-exception': {
+                  'xgen-IPA-117-description-ends-with-period': 'reason',
+                },
+              },
+            },
+          },
+        },
+      },
+    },
+    errors: [],
+  },
+]);
diff --git a/tools/spectral/ipa/__tests__/IPA117DescriptionStartsWithUpperCase.test.js b/tools/spectral/ipa/__tests__/IPA117DescriptionStartsWithUpperCase.test.js
new file mode 100644
index 0000000000..e72777c061
--- /dev/null
+++ b/tools/spectral/ipa/__tests__/IPA117DescriptionStartsWithUpperCase.test.js
@@ -0,0 +1,66 @@
+import testRule from './__helpers__/testRule';
+import { DiagnosticSeverity } from '@stoplight/types';
+
+testRule('xgen-IPA-117-description-starts-with-uppercase', [
+  {
+    name: 'valid description',
+    document: {
+      components: {
+        schemas: {
+          Schema: {
+            properties: {
+              id: {
+                description: 'Description',
+              },
+            },
+          },
+        },
+      },
+    },
+    errors: [],
+  },
+  {
+    name: 'invalid descriptions',
+    document: {
+      components: {
+        schemas: {
+          Schema: {
+            properties: {
+              noUpperCase: {
+                description: 'description',
+              },
+            },
+          },
+        },
+      },
+    },
+    errors: [
+      {
+        code: 'xgen-IPA-117-description-starts-with-uppercase',
+        message: 'Descriptions must start with Uppercase.',
+        path: ['components', 'schemas', 'Schema', 'properties', 'noUpperCase'],
+        severity: DiagnosticSeverity.Warning,
+      },
+    ],
+  },
+  {
+    name: 'invalid components with exceptions',
+    document: {
+      components: {
+        schemas: {
+          Schema: {
+            properties: {
+              noUpperCase: {
+                description: 'description',
+                'x-xgen-IPA-exception': {
+                  'xgen-IPA-117-description-starts-with-uppercase': 'reason',
+                },
+              },
+            },
+          },
+        },
+      },
+    },
+    errors: [],
+  },
+]);
diff --git a/tools/spectral/ipa/rulesets/IPA-117.yaml b/tools/spectral/ipa/rulesets/IPA-117.yaml
index cab084d98a..e2750ff485 100644
--- a/tools/spectral/ipa/rulesets/IPA-117.yaml
+++ b/tools/spectral/ipa/rulesets/IPA-117.yaml
@@ -3,6 +3,8 @@
 
 functions:
   - IPA117HasDescription
+  - IPA117DescriptionStartsWithUpperCase
+  - IPA117DescriptionEndsWithPeriod
 
 rules:
   xgen-IPA-117-description:
@@ -30,3 +32,52 @@ rules:
       - '$.components.parameters[*]'
     then:
       function: 'IPA117HasDescription'
+  xgen-IPA-117-description-starts-with-uppercase:
+    description: |
+      Descriptions must start with Uppercase.
+
+      ##### Implementation details
+      Rule checks the format of the description property in the following components:
+        - Info object
+        - Tags
+        - Operation objects
+        - Inline schema properties for operation object requests and responses
+        - Parameter objects (in operations and components)
+        - Schema properties
+    message: '{{error}} https://mdb.link/mongodb-atlas-openapi-validation#xgen-IPA-117-description-starts-with-uppercase'
+    severity: warn
+    given:
+      - '$.info'
+      - '$.tags[*]'
+      - '$.paths[*][get,put,post,delete,options,head,patch,trace]'
+      - '$.paths[*][get,put,post,delete,options,head,patch,trace].parameters[*]'
+      - '$.paths[*][get,put,post,delete,options,head,patch,trace]..content..properties[*]'
+      - '$.components.schemas..properties[*]'
+      - '$.components.parameters[*]'
+    then:
+      function: 'IPA117DescriptionStartsWithUpperCase'
+  xgen-IPA-117-description-ends-with-period:
+    description: |
+      Descriptions must end with a full stop(.).
+
+      ##### Implementation details
+      Rule checks the format of the description property in the following components:
+        - Info object
+        - Tags
+        - Operation objects
+        - Inline schema properties for operation object requests and responses
+        - Parameter objects (in operations and components)
+        - Schema properties
+      The rule ignores descriptions that end with `|`, i.e. inline markdown tables
+    message: '{{error}} https://mdb.link/mongodb-atlas-openapi-validation#xgen-IPA-117-description-ends-with-period'
+    severity: warn
+    given:
+      - '$.info'
+      - '$.tags[*]'
+      - '$.paths[*][get,put,post,delete,options,head,patch,trace]'
+      - '$.paths[*][get,put,post,delete,options,head,patch,trace].parameters[*]'
+      - '$.paths[*][get,put,post,delete,options,head,patch,trace]..content..properties[*]'
+      - '$.components.schemas..properties[*]'
+      - '$.components.parameters[*]'
+    then:
+      function: 'IPA117DescriptionEndsWithPeriod'
diff --git a/tools/spectral/ipa/rulesets/README.md b/tools/spectral/ipa/rulesets/README.md
index 3f0e20fb63..d7f37a128a 100644
--- a/tools/spectral/ipa/rulesets/README.md
+++ b/tools/spectral/ipa/rulesets/README.md
@@ -535,6 +535,35 @@ Rule checks for description property in the following components:
   - Schema properties
 The rule also fails if the description is an empty string.
 
+#### xgen-IPA-117-description-starts-with-uppercase
+
+ ![warn](https://img.shields.io/badge/warning-yellow) 
+Descriptions must start with Uppercase.
+
+##### Implementation details
+Rule checks the format of the description property in the following components:
+  - Info object
+  - Tags
+  - Operation objects
+  - Inline schema properties for operation object requests and responses
+  - Parameter objects (in operations and components)
+  - Schema properties
+
+#### xgen-IPA-117-description-ends-with-period
+
+ ![warn](https://img.shields.io/badge/warning-yellow) 
+Descriptions must end with a full stop(.).
+
+##### Implementation details
+Rule checks the format of the description property in the following components:
+  - Info object
+  - Tags
+  - Operation objects
+  - Inline schema properties for operation object requests and responses
+  - Parameter objects (in operations and components)
+  - Schema properties
+The rule ignores descriptions that end with `|`, i.e. inline markdown tables
+
 
 
 ### IPA-123
diff --git a/tools/spectral/ipa/rulesets/functions/IPA117DescriptionEndsWithPeriod.js b/tools/spectral/ipa/rulesets/functions/IPA117DescriptionEndsWithPeriod.js
new file mode 100644
index 0000000000..2ac45dc343
--- /dev/null
+++ b/tools/spectral/ipa/rulesets/functions/IPA117DescriptionEndsWithPeriod.js
@@ -0,0 +1,41 @@
+import { hasException } from './utils/exceptions.js';
+import {
+  collectAdoption,
+  collectAndReturnViolation,
+  collectException,
+  handleInternalError,
+} from './utils/collectionUtils.js';
+
+const RULE_NAME = 'xgen-IPA-117-description-ends-with-period';
+const ERROR_MESSAGE_PERIOD = 'Descriptions must end with a full stop(.).';
+
+export default (input, opts, { path }) => {
+  // Ignore missing descriptions or descriptions that ends with an inline table
+  if (!input['description'] || input['description'].endsWith('|') || input['description'].endsWith('|\n')) {
+    return;
+  }
+
+  if (hasException(input, RULE_NAME)) {
+    collectException(input, RULE_NAME, path);
+    return;
+  }
+
+  const errors = checkViolationsAndReturnErrors(input['description'], path);
+  if (errors.length !== 0) {
+    return collectAndReturnViolation(path, RULE_NAME, errors);
+  }
+  collectAdoption(path, RULE_NAME);
+};
+
+function checkViolationsAndReturnErrors(description, path) {
+  const periodEnd = new RegExp(`[.]$`);
+
+  try {
+    if (!periodEnd.test(description)) {
+      return [{ path, message: ERROR_MESSAGE_PERIOD }];
+    }
+    return [];
+  } catch (e) {
+    handleInternalError(RULE_NAME, path, e);
+  }
+}
diff --git a/tools/spectral/ipa/rulesets/functions/IPA117DescriptionStartsWithUpperCase.js b/tools/spectral/ipa/rulesets/functions/IPA117DescriptionStartsWithUpperCase.js
new file mode 100644
index 0000000000..61b964c660
--- /dev/null
+++ b/tools/spectral/ipa/rulesets/functions/IPA117DescriptionStartsWithUpperCase.js
@@ -0,0 +1,40 @@
+import { hasException } from './utils/exceptions.js';
+import {
+  collectAdoption,
+  collectAndReturnViolation,
+  collectException,
+  handleInternalError,
+} from './utils/collectionUtils.js';
+
+const RULE_NAME = 'xgen-IPA-117-description-starts-with-uppercase';
+const ERROR_MESSAGE_UPPER_CASE = 'Descriptions must start with Uppercase.';
+
+export default (input, opts, { path }) => {
+  if (!input['description']) {
+    return;
+  }
+
+  if (hasException(input, RULE_NAME)) {
+    collectException(input, RULE_NAME, path);
+    return;
+  }
+
+  const errors = checkViolationsAndReturnErrors(input['description'], path);
+  if (errors.length !== 0) {
+    return collectAndReturnViolation(path, RULE_NAME, errors);
+  }
+  collectAdoption(path, RULE_NAME);
+};
+
+function checkViolationsAndReturnErrors(description, path) {
+  const upperCaseStart = new RegExp(`^[A-Z]`);
+
+  try {
+    if (!upperCaseStart.test(description)) {
+      return [{ path, message: ERROR_MESSAGE_UPPER_CASE }];
+    }
+    return [];
+  } catch (e) {
+    handleInternalError(RULE_NAME, path, e);
+  }
+}